Ecc81 Vs Ecc83

EUR 29,99 Philips ECC81 12AT7 tube VF3 B4D5 code Blackburn. The ECC83 / 12AX7 is a weakling in this regard, although for guitar applications it is often 'good enough'. 2012 – 5 Beiträge : WANDLER VS VOLLVERSTÄRKER. 12at7 ecc81 6201 6679 12AT7/6201 TUNG-SOL $20 MULLARD 12AT7 labeled Amperex $35. Vacuum Tube Warranty & Return Policy. A Friend of mine has come across some ECC81, 2 and 4 valves. I’ve used these EHX valves on hundreds of amps and found them to work brilliantly. Chi ha letto il Post Messaggi raccomandati. ECC81 Telefunken / RFT (NOS) ECC81 Telefunken, original boxed no diamond logo in the glas bottom / made in Eastern Germany by RFT   Telefunken used tubes from the RFT… To be able to use Tube Amp Doctor Onlineshop in full range, we recommend activating Javascript in your browser. Occasionally you will find an ECC82 or ECC81 used as a pre-amplifying valve. Non mi sentirei di consigliare la sostituzione con la ECC81: la 5751 invece al posto della ECC83 è una sostituzione fattibile nel 90% dei casi senza fare danni. Gold Lion ECC83 / B759 / 12AX7. 6L6 Based Kits; 6V6 Based Kits; EL34 Based Kits; EL84 Based kits; Others such as 12BH7 ECC99 Kits; Supermatch Valve Matching “Amp Talk” About us; Trade. SYLVANIA 12AX7A (ECC83) Twin Triode The SYLVANIA 12AX7A (ECC83)is a 9. The 12AT7 (ECC81) has somewhat lower voltage gain than the 12AX7 (ECC83), but higher trans conductance and plate current. the shop that I bought to said that there was a mistake on giving me the price, the price they gave me was for the ecc83 (what he told on the phone was ecc83s that douchebag ) and the price is 2 or 3 times more expensive than the ecc83 so im stuck with this !!!. FAST & FREE. These are actually quite different in characteristics to the ECC83. The Mulard double triodes ECC81, ECC82 & ECC83 In response to emails asking about pin compatible valves for the classic audio double triodes we have produced this list. Aber sie ist NICHT pinkompatibel, sprich sie ist anders beschaltet. 12AX7/ECC83: As above but with obscured, missing or other logo like Fisher, Dynaco, etc. 1 x ECC83. 12AT7/ECC81; 12AU7/ECC82; 12AX7 ECC83 7025 5751; 6SC7 6SL7 6SN7 E88CC; EF86 ECC99 ECL82 12AY7 12DW7 12BH7; Rectifiers 5AR4 /GZ34 5U4 5Y3 EZ81; Uncategorized; Valve Kits. and no major problems appear in this section. Preamp: 4 x Ecc83/12ax7 Reverb: 2 x Ecc81/12at7 FX loop: 1 Ecc81/12at7; Speaker Output options (Heads) NA; Speakers (Combos and Cabinets) 1 x 16 ohm Celestion vintage 30; Impedance (Cabinets) NA; Extension Cabinet Options (Combos) 1 x 16 ohm; Unboxed Dimensions (W x H x D) 55 x 54 x 28 CM (21. Gold Lion ECC83 / B759 / 12AX7. Suitable for Fatman audio amplifiers. So why do a 12AT7 (aka ECC81, CV4024) shootout? Because the opportunity arose when I had the Elekit TU-8340VK push-pull power amp in my stereo den a while back. TAD 12AT7 / ECC81 Premium Selected. An ECC81/12AT7 has a lower plate impedance and more transconductance (Gm) than an ECC83/12AX7, so it will result in a cathode follower with a lower output impedance. The JJ ECC81 / 12AT7 is equally good for reverb driver, line stage, and phase inverter positions as well as the premier choice for first position gain stages. It is easy to listen SSB, even on 18 MHz. The ECC88, is the European designation, for a 6DJ8. HHScott reference for fans of vintage vacuum tube Scott consumer hi-if components from 1946 to 1966. However, I am unable to find any 1958 Amperex (made in Holland) valves on the net. Beijing, China www. Preamp Valves 4 X ECC83 / 12AX7 4 X ECC83 / 12AX7 4 X ECC83 / 12AX7 Power Valves 4 X 6V6 4 X 6V6 4 X EL34 / 6L6GC KT88 / 6550 Reverb Valve 2 X ECC81 / 12AT7 2 X ECC81 / 12AT7 2 X ECC81 / 12AT7 Mains Fuses 100 / 120V - T5 A 220 / 240V - T2 A 100 / 120V - T5 A 220 / 240V - T2 A 100 / 120V - T6. Many will get a little gleam of love in their eyes, and start gushing about how it’s the pack mule among tube circuits, with a mean kick that’s perfect for driving tone stacks. ECC81 (2) ECC83 (4) 1819 EQ Clear Facets. Scientist RRR. Valve amplifier circuit diagram. E83CC is an old term for a special high quality ECC83 (=12AX7). Hello-- A few years after the Berlin Wall came down, perhaps in 1991-1995, many, many Telefunken ECC83 (and even many more "<>" gold pin Telefunken E88CC and E188CC) with the <> molded in glass bottom were released to USA, Western Europe, UK, and Asia markets. Hi-just looked it up-----"This gives the Unisis Signature range exceptional bass quality and timing for a 35 watt valve amplifier, with excellent control and presence. ECC83: This is the European version of the 12AX7, and is identical to it. There is no difference between a 12AX7 valve and an ECC83. This tube will take the "Doink" out of your reverb too. As far as pin outs are concerned the 12 series tubes are all interchangeable. they seem readily available at descent prices even for NOS valves. Valve Question - ECC81/ ECC83. 000 Product Attributes brand genalex gold lion model kt88 power tube country region of manufacture russian federation custom detail new in box sku 3128512123193283 mpn kt90. American Types Foreign Substitutes 0A2 150C2, 150C4, M8223, STV105/30 0A3 KD21 0A4G PL1267, Z300T. As well, first IF is 6AU6, vs the 6BA6 in the documentation. Didn't figure that this was major, because the other two IFs are 6AU6, as indicated in SAM's. This new production Mullard 12AT7 / ECC81 is suitable for low noise applications like microphones and recording gear. Reply to this topic;. 11K vs 63K. - 2x ECC83 1x ECC81 - Sensitivity: 3mv for 1. The Mulard double triodes ECC81, ECC82 & ECC83 In response to emails asking about pin compatible valves for the classic audio double triodes we have produced this list. We are all things tubes, Guitar amps, Bass amps and Hifi amps. 01 3 3 1969. The radio has a ferrite antenna, separate controls for bass and treble and pushbuttons for Bass-Solo-Intim-Jazz which reduce or enhance low and high frequencies. 12AX7 - ECC83 B9A indirectly heated twin triode is one of the most popular pre amp valves around. Fender hot rod, Fender blues deville, Fender blues deluxe. For reaching the design parameters of the original valve only valves that are directly equivalent should be used. However, its performance is similar or better than usual regenerative receiver. Preamp Tubes: 12ax7 vs. DOUBLE TRIODE Ug(V) Ua(V)-8 -6 -4 -2 0 0 5 10 15 20 25 0 100 200 300 400. die ECC81-83 haben die heizung im (üblichen) 6,3V betrieb folgendermaßen angeschlossen: pin 4 und 5 sind miteinander verbunden und bilden den einen heizungsanschluss, der andere ist die 9. Gold Lion Genalex 12AX7/ECC83 B759. We enjoy the smooth, rich response in instrument amps too, especially in the V1 or reverb positions. The Tube Shop - Supplier of Vacuum Tubes 12AX7 / ECC83/ 12AT7 / ECC81 / 12AU7 / ECC82 / 5751 / 6922 / 6DJ8 / /thetubeshop. Swapping ecc81 for an ecc83 General. 12AU7 is the American designation and CV4003 is the British designation. EUR 29,99 Philips ECC81 12AT7 tube VF3 B4D5 code Blackburn. The JJ is one of the best of the current ‘crop' but WELL behind the true item. JJ/TESLA 12AT7 (ECC81) VALVE. Many will get a little gleam of love in their eyes, and start gushing about how it’s the pack mule among tube circuits, with a mean kick that’s perfect for driving tone stacks. 26v output (0. " There are some big differences across the 3. Tested good. TAD 12AT7 / ECC81 Premium Selected. Tung-Sol 12AX7 / ECC83 (Each) Tung-Sol 12AT7 / ECC81 (Each) Regular price $30. Brimar thermionic products is the result of the frustration of not being able to purchase high quality valves at a reasonable price. Can be also used as replacement for 12AX7 in many applications. It will reduce the gain in the power section slightly (basically meaning you need to set the volume control a bit higher for the same actual volume) and open up the tone a bit - clearer with more bass and treble, less midrange. (some electroharmonics 12AU7's are on the way so maybe I'll hear a difference there) Andre's comment over the bases brings up another issue that has been on my mind. They drive hard. There is no difference between a 12AX7 valve and an ECC83. Power Requirements: 100-120V 50/60Hz FUSE: T1AL/250V. valvola europea equivalente europeo equivalente americano numero CV; AA61: ECC40 : APP4B: AL4 (molto simile) APV4. the shop that I bought to said that there was a mistake on giving me the price, the price they gave me was for the ecc83 (what he told on the phone was ecc83s that douchebag ) and the price is 2 or 3 times more expensive than the ecc83 so im stuck with this !!!. JJ ecc81 Gold pin Is a low gain pre-amp valve that can substitute an ecc83/12ax7 valve In most situations to give more of a cleaner tone and less break-up. Flying Leads Plug&Play CV4034 - Premium 12AU7 ECC82 E82CC ECC802S 5814 6189 6680 CV491 CV4003 CV4113 CV4122 F6067 B749 M8136 13D5 7316 type. 00円 Golden Dragon製|18:00までのご注文を翌日お届け、3,000円以上購入で送料無料。真空管アンプのプリ段に12AX7,12AT7とともに、よく使用される代表的なMT管です。古くなった真空管を交換する場合は、ソケットも確認して接触不良や腐食が激しい場合. Made in Holland. Formed from ‘The Great British Valve Project’ we have used the expertise of many engineers who have provided us with their preferred list of thermionic tubes. The one difference between their layout is that on an EL34, pin 8 does the cathode and pin 1 does grid 3. A Friend of mine has come across some ECC81, 2 and 4. The ECC83 family We have the ECC81 ECC82 ECC83 was introduced specifically for audio applications way back in 1954 to replace the earlier 6SL7 octal based valves. I've got a few dozen different ones and the plates have all sorts of variation in length. Tested GOOD for gain, transconductance, noise and microphonics. Preamp: 4 x Ecc83/12ax7 Reverb: 2 x Ecc81/12at7 FX loop: 1 Ecc81/12at7; Speaker Output options (Heads) NA; Speakers (Combos and Cabinets) 1 x 16 ohm Celestion vintage 30; Impedance (Cabinets) NA; Extension Cabinet Options (Combos) 1 x 16 ohm; Unboxed Dimensions (W x H x D) 55 x 54 x 28 CM (21. Like OTM said, the 12AT7 has much lower internal plate resistance- Rp. Heater is 6. Hij heeft minder ruis en brom en minder gevoeligheid voor externe trillingen (microfonie). The ECC83 / 12AX7 is a weakling in this regard, although for guitar applications it is often 'good enough'. Scientist RRR. TAD RT052 Tube ECC81/12AT7-CZ. Even if the parameters are the same, does "equivalant" really exist or will there always be somewhat definable. JJ/TESLA 12AT7 (ECC81) VALVE. Vacuum Tube, 12AX7 / ECC83, Mullard Reissue, Preamp. Best ecc83 valves. The 12AX7, 12AT7, and 12AU7 all belong to the same family of nine contact, twin triode tubes. Radio tubes are valves. There is no difference between a 12AX7 valve and an ECC83. There is a 26x18 cm full-range loudspeaker on the front and two 10 cm ones on the sides for midrange and treble. Typically, a 12AX7 has a gain rating of 100. I have also few Brimar ECC83 and ECC81 tubes. including VAT 16% , [plus. Siemens & Halske ECC83 Characteristics: - long plates - double getter support Considered the HOLY-GRAIL of the Siemens & Halske Munich West Germany tubes. By freehandarson, March 29, 2009 in Amps. Flying Leads Plug&Play CV4034 - Premium 12AU7 ECC82 E82CC ECC802S 5814 6189 6680 CV491 CV4003 CV4113 CV4122 F6067 B749 M8136 13D5 7316 type. In fact, I'm nursing a sick CAT SL-1 Ultimate preamp right now and the same thing inside there, I tried all my expensive NOS 12AX7 tubes inside using my old standby song ON AN EVENING IN ROMA and when I put in a pair of Telefunken ECC83 in there (just a few days ago), once again they worked their miracle, the song came alive, the organ fleshed. The 6SL7 type of valve has the same base as output valves such as the 6V6, 6L6, EL34 etc and were bulky, so the ECC8X family made a lower power, much smaller pre-amp valve. Vacuum Tube - 12AX7A-C / ECC83, Tube Amp Doctor, Premium Selected 9 pin miniature preamp tube (Amplification Factor =100). the shop that I bought to said that there was a mistake on giving me the price, the price they gave me was for the ecc83 (what he told on the phone was ecc83s that douchebag ) and the price is 2 or 3 times more expensive than the ecc83 so im stuck with this !!!. My unit comes with 2x JJ ECC83 for the phono section and a Sovtek 12AX7WB for the line. The most common triode type found in guitar amps is the ECC83 / 12AX7, while the ECC81 / 12AT7, ECC82 / 12AU7 and 12AY7 occasionally make an appearance. For some time now I've used a Tesla E83CC in my Croft preamp as my NOS ECC83-type tube of choice (along with the main output NOS 6SL7 tubes I've mentioned before on another thread, RCA5691s and Tung Sol 6SU7GTYs), as they are to my ears, along with the Telefunken 803S, unquestionably the finest sounding ECC83/12AX7s ever produced. Qty: Add to Cart. contact us 4 Pinehurst Lane Minesing, Ontario L0L 1Y2 705-737-6773 (tel) 705-737-6774 (fax) email us here. These tubes are the starting point for amplifying your sound. VIVA TUBES Vintage NOS & Used Vacuum Tubes. EUR 29,99 Philips ECC81 12AT7 tube VF3 B4D5 code Blackburn. Occasionally you will find an ECC82 or ECC81 used as a pre-amplifying valve. compared to 12AX7's and ECC81's. Didn't figure that this was major, because the other two IFs are 6AU6, as indicated in SAM's. The 12AX7 family of dual-triode preamp tubes consists of the 12AX7, 5751, 12AT7, 12AY7, 12AV7 & 12AU7. But yeah, overall, the 6SL7 kicked butt!!!. I could certainly live with this one though. 6p1 vs el84. besser als Loop-Send-Röhre eignen). there is no need to spend the extra money vs the ecc83 CZ. AnalogMetric. Should have read 6AQ8/ECC85 and 6BK7A/ECC81 Also, again 6AQ8/ECC85 So no ECC83/12AX7's there. Consider this as an option to lower signal strength from the ultra high gain 12AX7 long plate Mullard. 01 3 3 1970. 07mm wire, 31R and 200R for the other one. 01 7 FP 1999. Butler with Siemens Ecc82 MJT stratocaster with Lollar special DR. ECC83 vs 12Ax7 Tubes - What is the Difference? One of the more confusing things about tube amps is changing them, especially when there seem to be so many different kinds available. みな、ピンアサインは一緒です。どういう風に特性が違うのか調べてみました。一応全て同じメーカーのデータシートを参考にしました。(RCAという会社)型名 12AX7A 12AT7 12AU7Aヒーター電流 0. The radio has a ferrite antenna, separate controls for bass and treble and pushbuttons for Bass-Solo-Intim-Jazz which reduce or enhance low and high frequencies. This makes it suitable for high frequency applications. the shop that I bought to said that there was a mistake on giving me the price, the price they gave me was for the ecc83 (what he told on the phone was ecc83s that douchebag ) and the price is 2 or 3 times more expensive than the ecc83 so im stuck with this !!!. Tung-Sol 12AX7 / ECC83 Gold Pin (Each) Regular price $37. Last updated: 18-Jan-2018 21:32. However the ECC81 and ECC82 they have a lower gain and are so designers sometimes use them instead. VLVE-00007 12AT7/ECC81 No selection White Logo VLVE-00009 12AU7/ECC82 No selection White Logo VLVE-00010 EL34 Svetlana VLVE-00033 SV6550C Svetlana White Logo VLVE-00038 6V6GT Shuguang White Logo VLVE-00039 KT66 Shuguang White Logo VLVE-00042 EL34B Shuguang Gold Logo VLVE-00047 12AX7B/ECC83 Shuguang Low Microphony Gold Logo. 3mv MC) - Gain MM 53db MC 72db - Load: imp: 47k MM, 100 ohms MC - Source impedance 50 ohms - Signal to noise level -75db (MM unweighted) - RIAA Freq response 20hz-20khz +0 – 1db - NO feedback used, Passive RIAA. This sounded far better than the mullard in my amp, with a really sweet midrange and pretty decent treble to boot, however it was slightly shy in the bass compared to the Mullard and 6SL7 I thought. A quei livelli di guadagno, l'elevata transconduttanza della ECC81 non solo sballa il punto di lavoro, ma di solito porta a oscillazioni nei pre phono. Manufactured at the old Tesla factory, the JJ ecc81 Is a low noise type valve that Is suitable and good for V1 positions where microphonics can be a problem. THis explains the thinner sound. Tokai,Traditionalシリーズのバイオリンベース, VB68 VS新品商品詳細ページです。生産完了品です。根強い人気のヴァイオリンベースタイプ!. 12 2 2 1969. Heater is 6. 800 Saba-Modelle (in Bezug auf den Jahrgang) mit ca. The Ultimate 12AX7 enhanced with Gold Pins. there is no need to spend the extra money vs the ecc83 CZ. VLVE-00007 12AT7/ECC81 No selection White Logo VLVE-00009 12AU7/ECC82 No selection White Logo VLVE-00010 EL34 Svetlana VLVE-00033 SV6550C Svetlana White Logo VLVE-00038 6V6GT Shuguang White Logo VLVE-00039 KT66 Shuguang White Logo VLVE-00042 EL34B Shuguang Gold Logo VLVE-00047 12AX7B/ECC83 Shuguang Low Microphony Gold Logo. They’ve been around since the very early days and are found in all the classic designs, Fender, Marshall, Vox, Laney, Peavey, Orange. To me they have a sort of metallic ring to them. Also, the 12AT7 has bandwidth to 40K as opposed to the 12AX7's 10K bandwidth. Large plate format, superior dissipation over the originals. Tube Depot carries a selection of 12AT7 / ECC81 / CV4024 Pre Amp Vacuum Tubes. valvola europea equivalente europeo equivalente americano numero CV; AA61: ECC40 : APP4B: AL4 (molto simile) APV4. There is no difference between a 12AX7 valve and an ECC83. 12at7 : ecc81 e81cc ecc801 ecc801s cv4024 cv455 6060 6201 ecc85 6aq8 12at7wa 7730 6679 7316 7728 另外 E180CC / 7062 / 5965 ,是優質耐用管,u值比ECC81略小,但特性很接近,可直接取代 12AT7 / ECC81 / 5965 / 12AV7 沒問題. This sounded far better than the mullard in my amp, with a really sweet midrange and pretty decent treble to boot, however it was slightly shy in the bass compared to the Mullard and 6SL7 I thought. Just about every iconic guitarist imaginable has played through a Deluxe Reverb at some point or another, but this amp has been specifically touted by artists such as Mike Campbell, Vince Gill, Jackson Brown, and even Elvis Costello. One simply way to achieve more headroom in your amp is to replace this tube with a 12AT7 (aka ECC81), which has a gain rating of about 70 and will yield cleaner sounds. Followers 0. It is robust and available in a wide variety of textures and colors. Beijing, China www. Tube Testing Equipment. 01 6 6 1970. more valve design: 2 x ECC83(12AX7) preamp valves. I tried ECC81, does a good job, but need less gain for sure! Somebody told me that 83-81's are interchangeable but 83 and 82 are not. valvola europea equivalente europeo equivalente americano numero CV; AA61: ECC40 : APP4B: AL4 (molto simile) APV4. The 12AX7, 12AT7, and 12AU7 all belong to the same family of nine contact, twin triode tubes. ECC81-ECC82-ECC83 sono alla fine la stessa cosa? Da ccrl79c0, 30 Ottobre, 2008 in Riproduzione Audio. Variants include: 7062, E180CC, E81CC, CV6091, 12AT7WA, 6060, 6679, 7492, A2900. 12AX7 - ECC83 B9A indirectly heated twin triode is one of the most popular pre amp valves around. 01 5 5 1970. Anyone have any experiments with those tubes? All info. We will take a look at why you might, or might not want to swap out the different types of tubes. Hier sind über ca. These are rarer than gold in this quality! Made in Ulm, West Germany. Like OTM said, the 12AT7 has much lower internal plate resistance- Rp. The Tube Shop - Supplier of Vacuum Tubes 12AX7 / ECC83/ 12AT7 / ECC81 / 12AU7 / ECC82 / 5751 / 6922 / 6DJ8 / /thetubeshop. This new production Mullard 12AT7 / ECC81 is suitable for low noise applications like microphones and recording gear. Are there other fast and sweet sounding types out there in this general category that I should know about that aren't only available as NOS? Thank you friends, Wessel. 00 The triodes work in series only from pins 4 and 5. TrANsfer ChArACTerisTiCs pLATe ChArACTerisTiCs R. The JJ is one of the best of the current ‘crop' but WELL behind the true item. Vieni a scoprire Doge 6 CD Valvolare Ecc83 Ecc81 in vendita come Usato nella categoria Lettori cd. For instance, the 12AX7 made by Gold Lion is like this. A sample of two TUBE DRIVER An old Chandler with Mullard Ecc81 VS a new B. Very smooth and warm sound. "ECC81 is a medium gain (μ approx 60) has an anode impedance of 10,000 Ω" "ECC82 is a low gain (μ approx 17) 7,700 Ω" "ECC83 is a high gain (μ approx 100) and has an anode impedance of 62,000 Ω. The supply voltage is around 500V-DC, the EL34 spec. DOUBLE TRIODE. vacuum tube) lub gazem pod niewielkim ciśnieniem (lampa gazowana, ang. Preamp Tubes - 12AX7 / ECC83 / CV4004 / 5751 Tube Basics and FAQ. Equivalent to the E88CC, 6DJ8 and 7308 valve type too. Tokai,Traditionalシリーズのバイオリンベース, VB68 VS新品商品詳細ページです。生産完了品です。根強い人気のヴァイオリンベースタイプ!. Tung-Sol 12AX7 / ECC83 (Each) Tung-Sol 12AT7 / ECC81 (Each) Regular price $30. 8 and 16 ohm speaker outputs, Controls for Volume. My unit comes with 2x JJ ECC83 for the phono section and a Sovtek 12AX7WB for the line. Be sure to look for reviews by our customers and the Top Seller marker if you need help deciding which to order. The one difference between their layout is that on an EL34, pin 8 does the cathode and pin 1 does grid 3. 07mm wire, 31R and 200R for the other one. Changing tubes in an amp can be a particularly challenging experience, especially since there seems to be such an abundance of them. Originally the tube was intended for operation in VHF circuits, such as TV sets and FM tuners, as an oscillator/frequency converter. In many cases, these tubes are interchangeable and can easily be swapped. 26v output (0. ECC81 page sheet date 1 1 1969. 12AX7 - ECC83 B9A indirectly heated twin triode is one of the most popular pre amp valves around. This makes it suitable for high frequency applications. Occasionally you will find an ECC82 or ECC81 used as a pre-amplifying valve. So why do a 12AT7 (aka ECC81, CV4024) shootout? Because the opportunity arose when I had the Elekit TU-8340VK push-pull power amp in my stereo den a while back. There is no difference between a 12AX7 valve and an ECC83. JJ ecc81 Gold pin Is a low gain pre-amp valve that can substitute an ecc83/12ax7 valve In most situations to give more of a cleaner tone and less break-up. Roy, and assembled: It is indeed a Pullen mixer, but the first triode (driven by the IF) is a cathode follower, and the second triode is a grounded-gate amplifier so far as the IF signal is concerned, and a common-cathode. 12 2 2 1969. ECC83 (rausch-, klirr- und mikrofoniearme NF-Doppeltriode für NF-Verstärker) PCC84 (VHF-Doppeltriode, speziell für kleine Anodenspannungen wie sie in Kaskodeschaltungen üblicherweise auftreten) PCC88 (VHF-Doppeltriode in Spanngitter-Technik) ECC85 (VHF-Doppeltriode, verbessertes Nachfolgemodell der ECC81). The effects loop is also powered by an additional ECC81 valve. Also, the 12AT7 has bandwidth to 40K as opposed to the 12AX7's 10K bandwidth. Be sure to look for reviews by our customers and the Top Seller marker if you need help deciding which to order. The 12AX7 has the highest gain at 100, the 12AT7 is lightly lower and the 12AU7 is the lowest gain of the group. Valve amplifier circuit diagram. Die ECC85 ist elektrisch der ECC81 sehr ähnlich, sie ist IIRC eine Weiterentwicklung dieser. Like OTM said, the 12AT7 has much lower internal plate resistance- Rp. 6 mA/V en transconductance, toujours par triode, ainsi qu’un gain global théorique de 100. The 12AT7 (ECC81) has somewhat lower voltage gain than the 12AX7 (ECC83), but higher trans conductance and plate current. 000 Product Attributes brand genalex gold lion model kt88 power tube country region of manufacture russian federation custom detail new in box sku 3128512123193283 mpn kt90. Reply to this topic;. ECC82 and ECC83/81 interchangable? I tried ECC81, does a good job, but need less gain for sure! Somebody told me that 83-81's are interchangeable but 83 and 82 are not. Hi-just looked it up-----"This gives the Unisis Signature range exceptional bass quality and timing for a 35 watt valve amplifier, with excellent control and presence. "ECC81 is a medium gain (μ approx 60) has an anode impedance of 10,000 Ω" "ECC82 is a low gain (μ approx 17) 7,700 Ω" "ECC83 is a high gain (μ approx 100) and has an anode impedance of 62,000 Ω. There is no difference between a 12AX7 valve and an ECC83. 01 7 FP 1999. 2012 – 5 Beiträge : WANDLER VS VOLLVERSTÄRKER. Gold Lion ECC83 / B759 / 12AX7. " There are some big differences across the 3. Swapping ecc81 for an ecc83 General. JJ/Tesla 12AT7 (ECC81) Valve; JJ/Tesla 12AT7 (ECC81) Valve. The 12AX7 family of dual-triode preamp tubes consists of the 12AX7, 5751, 12AT7, 12AY7, 12AV7 & 12AU7. ROBOPHOHE ORDERS 5/6 ECC81 6/6 LH162 R'R 0BC41 7/8 5Y3GT 5/6 68Q7 5/9 35Z5GT 7- ECC82 6/- MU14 71- 0BC81 AT6 Auto (Limited Number). It’s very smooth in Hi-Fi and guitar amps. 02" (55 x 27 x 28cm) - Unboxed Weight: 45. They were also made to withstand bulb temperatures up to 200 deg C. I’ve used these EHX valves on hundreds of amps and found them to work brilliantly. 01 2 2 1970. ecc83 (12ax7) ecc82 (12au7) ecc81 (12at7) 12ay7, 5751, ef86 el34, e34l, kt77, 6ca7 6v6 el84 6l6, 5881 misc types Valve Amp Sets JJ EL34 Amp Sets JJ 6L6 Amp Sets JJ EL84 Amp Sets. ECC81 Telefunken / RFT (NOS) ECC81 Telefunken, original boxed no diamond logo in the glas bottom / made in Eastern Germany by RFT   Telefunken used tubes from the RFT… To be able to use Tube Amp Doctor Onlineshop in full range, we recommend activating Javascript in your browser. Radio tubes are valves. They have been used to drive audio units for decades and for good reason. Die zweite Doppeltriode ECC81 ist die eigentliche Verstärkerröhre, die über ein entsprechendes Widerstandsnetzwerk zwischen 0 und 12 dB umschaltbar ist. Hij heeft minder ruis en brom en minder gevoeligheid voor externe trillingen (microfonie). By auralflea, January 27, 2007 in 2 Channel. ECC81 (12AT7) ECC82 (12AU7) ECC83 MG ECC83 S (ECC83, 12AX7) 12AY7 (6072) 12BH7-A ECC99 ECC802S (6189) ECC803S (6057) ECC832 (12DW7) EF806S Powertubes: Pentodes. Manufactured at the old Tesla factory, the JJ ecc81 Is a low noise type valve that Is suitable and good for V1 positions where microphonics can be a problem. Recommended tube for reverb tones in Fender amps. Cryo 12AT7 / ECC81 / 6201 Cryo 12AU7 / ECC82 Cryo 12AX7 / ECC83 Cryo 12AY7 Cryo 12BH7 / 6350 Cryo 12DW7 / ECC832 Cryo 5751 Cryo 6922 / 6DJ8 / E88CC / 6N1P Cryo 6C45PI Cryo 6CG7 / 6FQ7 Cryo 6H6P / ECC99 / E182CC Cryo 6N23P-EV Cryo 6N30P Cryo 6SL7GT / 5691 Cryo 6SN7 / 5692 / 6H8C Cryo EF86 Super Cryo Preamp Tubes Cryo Power Tubes->. See similar items. No circuit changes are necessary (though I suppose you could change some things if you needed ultimate performance from the ECC81, but it's really not necessary in a guitar amp). They drive hard. Reply to this topic;. Most tubes with ECC83 listed on the label are European, and the ones in demand are Telefunken, Amperex, Mullard, and Siemens. Tested good. The JAN Philips 6922 is a great overall tube for Hi-Fi. Tung-Sol 12AX7 / ECC83 (Each) Tung-Sol 12AT7 / ECC81 (Each) Regular price $30. So now you know. TAD RT005 Tube 12AU7. Heater is 6. (some electroharmonics 12AU7's are on the way so maybe I'll hear a difference there) Andre's comment over the bases brings up another issue that has been on my mind. MULLARD TRIO (THREE) 12AX7 ECC83 Long Plate Preamp Tubes $ 51. I thought maybe swapping out the ECC83;s for the lower gain ECC81's might work but it might just have been my inexperience dialing in the right sound. turned out the tubes were ecc83 and not the ecc83s. Reject limits have to be guessed by people who know how to do this. Tung-Sol 12AX7 / ECC83 Gold Pin (Each) Regular price $37. ECC83/ ECC83S-GROOVE TUBES Groove Tubes ECC83-S Groove Tube is the most popular GT ECC83/12AX7/7025 replacement valve Marshall 4 Valve Harma ECC81 STR Pre Amp Kit. No attenuator. The former is rare [as I have them all ]. 5 vs -10 to -13. Faut juste savoir ça Grouic Pour lire le tableau suivant, il faut savoir que, d’après les constructeurs, à 250V et -2V, une ECC83 neuve et en fonctionnement optimale donne au moins 1. The ECC83 / 12AX7 is a weakling in this regard, although for guitar applications it is often 'good enough'. MULLARD TRIO (THREE) 12AX7 ECC83 Long Plate Preamp Tubes $ 51. A Friend of mine has come across some ECC81, 2 and 4. Loud 12AY7 was original tube for V1 position in this circuit (fender tweed bassman), i find it very interesting :). ROBOPHOHE ORDERS 5/6 ECC81 6/6 LH162 R'R 0BC41 7/8 5Y3GT 5/6 68Q7 5/9 35Z5GT 7- ECC82 6/- MU14 71- 0BC81 AT6 Auto (Limited Number). By freehandarson, March 29, 2009 in Amps. The Brimar ECC83 will probably be better choice for pre amp tube than phase inverter. Alcatel Adp 81 Dry Vacuum Pump, N° 975342 Sp, Cp 51917, Bf Adp 81, N° 975323. TrANsfer ChArACTerisTiCs pLATe ChArACTerisTiCs R. PSVANE 12AX7-T ECC83 Factory Matched Pair - Psvane MKII. American Types Foreign Substitutes 0A2 150C2, 150C4, M8223, STV105/30 0A3 KD21 0A4G PL1267, Z300T. These tubes are the starting point for amplifying your sound. Ecc81 Vs Ecc83 In vintage Marshalls into V1 in general (for me). Siemens & Halske ECC83 Characteristics: - long plates - double getter support Considered the HOLY-GRAIL of the Siemens & Halske Munich West Germany tubes. Die Doppeltriode ECC83 wird pro Kanal als Differenzverstärker von Transistoren angesteuert, was für einen stabilen Betrieb sorgt. the shop that I bought to said that there was a mistake on giving me the price, the price they gave me was for the ecc83 (what he told on the phone was ecc83s that douchebag ) and the price is 2 or 3 times more expensive than the ecc83 so im stuck with this !!!. Created Date:. 01 4 4 1970. (some electroharmonics 12AU7's are on the way so maybe I'll hear a difference there) Andre's comment over the bases brings up another issue that has been on my mind. pairAll have tested very strong,without gas shorts or leaks!Also have a matched pair of JAN - PHILIPS NOS ECG 5751 audio vacuum tubes @. But yeah, overall, the 6SL7 kicked butt!!!. See similar items. However the ECC81 and ECC82 they have a lower gain and are so designers sometimes use them instead. 8 and 16 ohm speaker outputs, Controls for Volume. ECC83 (rausch-, klirr- und mikrofoniearme NF-Doppeltriode für NF-Verstärker) PCC84 (VHF-Doppeltriode, speziell für kleine Anodenspannungen wie sie in Kaskodeschaltungen üblicherweise auftreten) PCC88 (VHF-Doppeltriode in Spanngitter-Technik) ECC85 (VHF-Doppeltriode, verbessertes Nachfolgemodell der ECC81). Highly recommended. SYLVANIA 12AX7A (ECC83) Twin Triode The SYLVANIA 12AX7A (ECC83)is a 9. Formed from ‘The Great British Valve Project’ we have used the expertise of many engineers who have provided us with their preferred list of thermionic tubes. AnalogMetric. Reply to this topic;. Sponsored Listings. Teoretycznie, skoro ECC83 pracują przy znacznie mniejszym prądzie niż ECC81, to szumy powinny być niższe. The JJ 5751 is a drop-in replacement for any 12AX7 / ECC83 tube. 12at7 ecc81 6201 6679 12AT7/6201 TUNG-SOL $20 MULLARD 12AT7 labeled Amperex $35. Audio Vacuum Tube List. Next up was the Telefunken ECC83. For ECC81 there is only average data published. Preamp Tubes: 12ax7 vs. Non mi sentirei di consigliare la sostituzione con la ECC81: la 5751 invece al posto della ECC83 è una sostituzione fattibile nel 90% dei casi senza fare danni. Can be also used as replacement for 12AX7 in many applications. ★★送料無料★★ 親切な真空管ヘルプデスク 無料相談 0120·194·380 プレミアムクラス 最高グレード 極上の真空管サウンドを求める方にお薦め·全数検査、210日間保証、72時間エージング 商品について ·新品 現行真空管 完動品。. Loud 12AY7 was original tube for V1 position in this circuit (fender tweed bassman), i find it very interesting :). Like all Gold Lion Tubes, Gold Lion ECC83 is built with meticulous quality, which makes it ideal as the premium upgrade for any audio 12AX7 application. Originally the tube was intended for operation in VHF circuits, such as TV sets and FM tuners, as an oscillator/frequency converter. For some time now I've used a Tesla E83CC in my Croft preamp as my NOS ECC83-type tube of choice (along with the main output NOS 6SL7 tubes I've mentioned before on another thread, RCA5691s and Tung Sol 6SU7GTYs), as they are to my ears, along with the Telefunken 803S, unquestionably the finest sounding ECC83/12AX7s ever produced. Preamp Tube Gain Factor and Substitution Chart. The most common triode type found in guitar amps is the ECC83 / 12AX7, while the ECC81 / 12AT7, ECC82 / 12AU7 and 12AY7 occasionally make an appearance. 6V supply or in parallel from a 6. This new production Mullard 12AT7 / ECC81 is suitable for low noise applications like microphones and recording gear. The ECC83 / 12AX7 is a weakling in this regard, although for guitar applications it is often 'good enough'. It is robust and available in a wide variety of textures and colors. freehandarson 0 freehandarson 0 Pro; Members; 0 1,698 posts; Posted March 29, 2009. E83CC is an old term for a special high quality ECC83 (=12AX7). Our observation: A great 12AT7! This tube has all the qualities of the JJ 12AX7’s. Therefore the closest to the input would be the one inside the jacket/shield which is an ECC83 (red print Marshall Valve 00067). Comparatif des gain pour les lampes ded préamplification 12AX7, ECC83, 12AT7, 12AU7, 12AY7, et 5751. Heater is 6. VLVE-00055 12AX7B/ECC83 Shuguang No Selection White logo VLVE-00067 ECC83S JJ Low Microphony Red Logo Black Marshall Label are EI's which are not made any more. Jednakże z ECC81 nie próbowałem w układach małych sygnałów, więc nie mam porównania. 1 (10 votes, average: 3. HHScott reference for fans of vintage vacuum tube Scott consumer hi-if components from 1946 to 1966. The Tube Shop - Supplier of Vacuum Tubes 12AX7 / ECC83/ 12AT7 / ECC81 / 12AU7 / ECC82 / 5751 / 6922 / 6DJ8 / /thetubeshop. 5 watching. Scientist RRR. The first place was the Amperex 1958, 2nd was Telefunken smooth and followed by Sylvania. The triodes cannot be 300 @ 1. As well it offered more gain. ECC81 page sheet date 1 1 1969. Price 1 off (excluding vat+p&p) Electro-Harmonix 6922 - £16. Should have read 6AQ8/ECC85 and 6BK7A/ECC81 Also, again 6AQ8/ECC85 So no ECC83/12AX7's there. However, I am unable to find any 1958 Amperex (made in Holland) valves on the net. For reaching the design parameters of the original valve only valves that are directly equivalent should be used. freehandarson 0 freehandarson 0 Pro; Members; 0 1,698 posts; Posted March 29, 2009. Ecc81 Vs Ecc83 In vintage Marshalls into V1 in general (for me). Lampa elektronowa – element elektroniczny czynny składający się z elektrod umieszczonych w bańce z wypompowanym powietrzem (lampa próżniowa, ang. 12AT7/ECC81; 12AU7/ECC82; 12AX7 ECC83 7025 5751; 6SC7 6SL7 6SN7 E88CC; EF86 ECC99 ECL82 12AY7 12DW7 12BH7; Rectifiers 5AR4 /GZ34 5U4 5Y3 EZ81; Uncategorized; Valve Kits. It uses 4 Russian electronic tubes (6N3P) very similar to ECC81 / ECC85, but with a different pin code. ECC81 is 12AT7 medium gain pre-amplifying double triode. JJ/Tesla 12AT7 (ECC81) Valve; JJ/Tesla 12AT7 (ECC81) Valve. - Valves: Preamp: 4 x ECC83/12AX7 & 2 x ECC81/12AT7. These amazing tubes were designed for long life and are shock resistant up to 500g. Reject limits have to be guessed by people who know how to do this. 8 and 16 ohm speaker outputs, Controls for Volume. Valve Question - ECC81/ ECC83 Sign in to follow this. (links 1, 2). This makes it suitable for high frequency applications. VLVE-00047 12AX7B/ECC83 Shuguang Low Microphony Gold Logo VLVE-00049 12AX7B/ECC83 Shuguang High Microphony Gold Logo White Labeled Marshall VLVE-00041 WK4 is a EI. However, its performance is similar or better than usual regenerative receiver. No circuit changes are necessary (though I suppose you could change some things if you needed ultimate performance from the ECC81, but it's really not necessary in a guitar amp). Brimar's EL34 design is a rigid anode with interwoven grids for maximum stability. 270 Photos und / oder Museums-Einträgen gelistet. 6V supply or in parallel from a 6. Preamp Tubes - 12AX7 / ECC83 / CV4004 / 5751 Tube Basics and FAQ. Ecc81 vs ecc83. So why do a 12AT7 (aka ECC81, CV4024) shootout? Because the opportunity arose when I had the Elekit TU-8340VK push-pull power amp in my stereo den a while back. ECC81 Telefunken / RFT (NOS) ECC81 Telefunken, original boxed no diamond logo in the glas bottom / made in Eastern Germany by RFT   Telefunken used tubes from the RFT… To be able to use Tube Amp Doctor Onlineshop in full range, we recommend activating Javascript in your browser. turned out the tubes were ecc83 and not the ecc83s. Vacuum Tube - 12AX7A-C / ECC83, Tube Amp Doctor, Premium Selected 9 pin miniature preamp tube (Amplification Factor =100). American Types Foreign Substitutes 0A2 150C2, 150C4, M8223, STV105/30 0A3 KD21 0A4G PL1267, Z300T. We enjoy the smooth, rich response in instrument amps too, especially in the V1 or reverb positions. Occasionally you will find an ECC82 or ECC81 used as a pre-amplifying valve. 12AX7 (also ECC83, 7025). Based on the popular Hiwatt model DR 504 but specified for use as a Bass guitar model. You'll also find that the MESA 12AX7 is both consistent and reliable in its smooth, balanced tonal response. The TFK <> ECC801S is the best ECC81 ever made on this planet. 01 4 4 1970. Designing an AC Cathode Follower For the following example we will design a cathode follower to act as a buffer for an effects loop. 11K vs 63K. Availability: In stock. That distinction probably falls to the 12AX7, especially when you add guitar amps to the mix. The 6SL7 type of valve has the same base as output valves such as the 6V6, 6L6, EL34 etc and were bulky, so the ECC8X family made a lower power, much smaller pre-amp valve. bei der ECC85 wären den eine anschluss die vier, der andere die 5, die 9 käme idealerweise auf GND. contact us 4 Pinehurst Lane Minesing, Ontario L0L 1Y2 705-737-6773 (tel) 705-737-6774 (fax) email us here. VIVA TUBES Vintage NOS & Used Vacuum Tubes. The 12AT7 (ECC81) has somewhat lower voltage gain than the 12AX7 (ECC83), but higher trans conductance and plate current. High Gain, ultra-low microphonics, and superb linearity with a dynamic 3-D sound. One of our most popular amps, the Mojotone Deluxe Reverb Style Kit, is based on arguably the most widely used guitar amp of all time. Tubes: ECC83 ECC81 EL95 EZ80 Schéma complet Amplificateur de sonorisation 100 Watts push pull EL34 sous 995V Tubes EF86 ECC40 x2 EL34 x2 GZ34 x2 Amplificateur stéréo ECL86 Amplificateur 100 WATTS PX25A P27/500 F410 Lampes EF6 AC2 P27/500 x3 PV200/600 x2 AZ4 Equivalents: P27/500 = PX25A PP5/400 DO24 D30 F410 K480 K450/25 LK4200 CV1040 NR47. Teoretycznie, skoro ECC83 pracują przy znacznie mniejszym prądzie niż ECC81, to szumy powinny być niższe. Either way if applied to an old production valve it means it should be top quality. Roy, and assembled: It is indeed a Pullen mixer, but the first triode (driven by the IF) is a cathode follower, and the second triode is a grounded-gate amplifier so far as the IF signal is concerned, and a common-cathode. Hello-- A few years after the Berlin Wall came down, perhaps in 1991-1995, many, many Telefunken ECC83 (and even many more "<>" gold pin Telefunken E88CC and E188CC) with the <> molded in glass bottom were released to USA, Western Europe, UK, and Asia markets. Power Requirements: 100-120V 50/60Hz FUSE: T1AL/250V. pre amp: 3 x ecc83/12ax7 fx loop: 1 x ecc81/12at7; speaker output options: 1 x 16 ohm cabinet connected to the 16 ohm output 1 x 8 ohm cabinet connected to one of the 8 ohm outputs 2 x 16 ohm cabinets each connected to one of the 8 ohm outputs; unboxed dimensions (w x h x d): 40 x 21 x 18 cm (15. DOUBLE TRIODE. 2006 – Letzte Antwort am 16. The bottle is a bit wider than some EL34 tubes and is big enough for a 6L6. Get some ECC81's. com http://www. Tung-Sol 12AX7 / ECC83 (Each) Tung-Sol 12AT7 / ECC81 (Each) Regular price $30. Tested good. Hi-just looked it up-----"This gives the Unisis Signature range exceptional bass quality and timing for a 35 watt valve amplifier, with excellent control and presence. Full and chimey mids, a tight bottom end and greatly reduced hum and noise characterize this tube. - 2x ECC83 1x ECC81 - Sensitivity: 3mv for 1. Die ECC85 ist elektrisch der ECC81 sehr ähnlich, sie ist IIRC eine Weiterentwicklung dieser. Valve Question - ECC81/ ECC83. 6 mA/V en transconductance, toujours par triode, ainsi qu’un gain global théorique de 100. 5 watching. ecc83 (12ax7) ecc82 (12au7) ecc81 (12at7) 12ay7, 5751, ef86 el34, e34l, kt77, 6ca7 6v6 el84 6l6, 5881 misc types Valve Amp Sets JJ EL34 Amp Sets JJ 6L6 Amp Sets JJ EL84 Amp Sets. It is robust and available in a wide variety of textures and colors. A sample of two TUBE DRIVER An old Chandler with Mullard Ecc81 VS a new B. JJ ecc81 Gold pin Is a low gain pre-amp valve that can substitute an ecc83/12ax7 valve In most situations to give more of a cleaner tone and less break-up. JJ/Tesla 12AT7 (ECC81) Valve; JJ/Tesla 12AT7 (ECC81) Valve. Hi-just looked it up-----"This gives the Unisis Signature range exceptional bass quality and timing for a 35 watt valve amplifier, with excellent control and presence. New & NOS pre amp tubes from Tung-Sol, Electro-Harmonix, Genalex & more!. From $150. Silver vs gold is irrelevant here. Typically, a 12AX7 has a gain rating of 100. 75 operated independently of each other as they are in series only, because theres no centre filament tap at pin 9 as in ECC83. A medium-mu twin triode. VLVE-00007 12AT7/ECC81 No selection White Logo VLVE-00009 12AU7/ECC82 No selection White Logo VLVE-00010 EL34 Svetlana VLVE-00033 SV6550C Svetlana White Logo VLVE-00038 6V6GT Shuguang White Logo VLVE-00039 KT66 Shuguang White Logo VLVE-00042 EL34B Shuguang Gold Logo VLVE-00047 12AX7B/ECC83 Shuguang Low Microphony Gold Logo. Further to this, all our ‘34’s are fully burnt in before dispatch. SYLVANIA 12AX7A (ECC83) Twin Triode The SYLVANIA 12AX7A (ECC83)is a 9. Yes, if you're a collector. A Mullard ECC83 long plates, square getter, wrinkeled glass (MC1) sounds completely different, than a Telefunken ECC83 smooth plates – soon we will discuss that more in depth. No attenuator. Qty: Add to Cart. Consider this as an option to lower signal strength from the ultra high gain 12AX7 long plate Mullard. In many cases, these tubes are interchangeable and can easily be swapped. Nagłośnienie instrumentów potrzebne jest do występów na żywo gdy wielość sali oraz ilość słuchaczy jest na tyle duża, że głośność akustycznych instrumentów nie wystarczy aby wszyscy usłyszeli naszą grę. turned out the tubes were ecc83 and not the ecc83s. Die Doppeltriode ECC83 wird pro Kanal als Differenzverstärker von Transistoren angesteuert, was für einen stabilen Betrieb sorgt. It may mean it is a specially robust 'military grade' valve or may mean it has specially low noise / microphony. Bass, and Treble, Low Power switch and Gain Boost on the rear panel, Era correct cosmetics. ECC82 and ECC83/81 interchangable? I tried ECC81, does a good job, but need less gain for sure! Somebody told me that 83-81's are interchangeable but 83 and 82 are not. Aggiungi al carrello Preamplificatrici. This text is mainly for ECC81 vs ECC801S. There is no difference between a 12AX7 valve and an ECC83. Are there other fast and sweet sounding types out there in this general category that I should know about that aren't only available as NOS? Thank you friends, Wessel. I played my tele through one and thought it was a little too raunchy. Swapping ecc81 for an ecc83 General. Like all Gold Lion Tubes, Gold Lion ECC83 is built with meticulous quality, which makes it ideal as the premium upgrade for any audio 12AX7 application. We will take a look at why you might, or might not want to swap out the different types of tubes. NOS CV4024 (ECC81 / 12AT7) 12AT7 / ECC81 Mullard. Today, a look at almost any guitar tube amp, be it Fender , Marshall , Vox , or any other, will prove the 12AX7 / ECC83 / 7025 tubes are here to stay. An ECC81/12AT7 has a lower plate impedance and more transconductance (Gm) than an ECC83/12AX7, so it will result in a cathode follower with a lower output impedance. 12AT7 - ECC81 Another popular twin triode. Tested good. ECC83/ ECC83S-GROOVE TUBES Groove Tubes ECC83-S Groove Tube is the most popular GT ECC83/12AX7/7025 replacement valve Marshall 4 Valve Harma ECC81 STR Pre Amp Kit. pre amp: 3 x ecc83/12ax7 fx loop: 1 x ecc81/12at7; speaker output options: 1 x 16 ohm cabinet connected to the 16 ohm output 1 x 8 ohm cabinet connected to one of the 8 ohm outputs 2 x 16 ohm cabinets each connected to one of the 8 ohm outputs; unboxed dimensions (w x h x d): 40 x 21 x 18 cm (15. (Ecc82 12Au7 TAD en tant que lampe de puissance et ECC83 12Ax7 SOVTEK) Le son de l ampli me plait tel quel, surtout le canal clean acec le gain poussé que je trouve vraiment sympas pour du ACDC par exemple. Anyone have any experiments with those tubes? All info. Gold Lion Genalex. However, its performance is similar or better than usual regenerative receiver. 220-240v 50/60Hz FUSE: T0. 01 2 2 1970. Valvole NOS ECC81 - 12AT7 - E81CC; Valvole NOS ECC82 - 12AU7 - 6189 - 5814; Valvole NOS ECC83 - 12AX7- E83CC; Valvole NOS ECC88 - 6DJ8; Valvole NOS 6922 - E88CC - 7308 - E188CC - Cca; Valvole NOS 5751; Valvole NOS 6SL7 - 5691 - 33S29B; Valvole NOS 6SN7 - 5692 - 33S30B; Valvole NOS Raddrizzatrici e Zener; Valvole NOS di Potenza; Varie; Zoccoli e. Tung-Sol 12AX7 / ECC83 Gold Pin (Each) Regular price $37. Most tubes with ECC83 listed on the label are European, and the ones in demand are Telefunken, Amperex, Mullard, and Siemens. It’s usually a 12AX7 (aka an ECC83 in Europe and abroad), and it’s the small tube located farthest from the larger power tubes. A sample of two TUBE DRIVER An old Chandler with Mullard Ecc81 VS a new B. Power Tube: 6V6GT x 1. Can be also used as replacement for 12AX7 in many applications. Many will get a little gleam of love in their eyes, and start gushing about how it’s the pack mule among tube circuits, with a mean kick that’s perfect for driving tone stacks. Just about every iconic guitarist imaginable has played through a Deluxe Reverb at some point or another, but this amp has been specifically touted by artists such as Mike Campbell, Vince Gill, Jackson Brown, and even Elvis Costello. Hi-just looked it up-----"This gives the Unisis Signature range exceptional bass quality and timing for a 35 watt valve amplifier, with excellent control and presence. The Ultimate 12AX7 enhanced with Gold Pins. We enjoy the smooth, rich response in instrument amps too, especially in the V1 or reverb positions. including VAT 16% , [plus. Tubes: ECC83 ECC81 EL95 EZ80 Schéma complet Amplificateur de sonorisation 100 Watts push pull EL34 sous 995V Tubes EF86 ECC40 x2 EL34 x2 GZ34 x2 Amplificateur stéréo ECL86 Amplificateur 100 WATTS PX25A P27/500 F410 Lampes EF6 AC2 P27/500 x3 PV200/600 x2 AZ4 Equivalents: P27/500 = PX25A PP5/400 DO24 D30 F410 K480 K450/25 LK4200 CV1040 NR47. The 12AX7, 12AT7, and 12AU7 all belong to the same family of nine contact, twin triode tubes. Mullard CV4004 / 12AX7 British New Old Stock. VLVE-00055 12AX7B/ECC83 Shuguang No Selection White logo VLVE-00067 ECC83S JJ Low Microphony Red Logo Black Marshall Label are EI's which are not made any more. 6 mA/V en transconductance, toujours par triode, ainsi qu’un gain global théorique de 100. Gold Lion ECC83 delivers a full sonic range with excellent articulation. Vacuum Tube - 12AX7A-C / ECC83, Tube Amp Doctor, Premium Selected 9 pin miniature preamp tube (Amplification Factor =100). It was developed around 1946 by RCA engineers in Camden, New Jersey, under developmental number A-4522. You'll also find that the MESA 12AX7 is both consistent and reliable in its smooth, balanced tonal response. La 6AV6 es una versión miniatura de la válvula 6SQ7, una válvula con un triodo y dos diodos muy usada como detectora-preamplificadora en las radios de AM, que a su vez es similar a la vieja válvula 75 de los años 1930. It was released for public sale under the 12AX7 identifier on September 15, 1947. From $150. turned out the tubes were ecc83 and not the ecc83s. Very low microphonic. Occasionally you will find an ECC82 or ECC81 used as a pre-amplifying valve. See similar items. E83CC is an old term for a special high quality ECC83 (=12AX7). Qty: Add to Cart. 6V supply or in parallel from a 6. ECC81-ECC82-ECC83 sono alla fine la stessa cosa? Da ccrl79c0, 30 Ottobre, 2008 in Riproduzione Audio. Vacuum Tube Warranty & Return Policy. 2012 – Letzte Antwort am 13. 3mv MC) - Gain MM 53db MC 72db - Load: imp: 47k MM, 100 ohms MC - Source impedance 50 ohms - Signal to noise level -75db (MM unweighted) - RIAA Freq response 20hz-20khz +0 – 1db - NO feedback used, Passive RIAA. JJ/Tesla 12AT7 (ECC81) Valve; JJ/Tesla 12AT7 (ECC81) Valve. Reviews of 12ax7/ECC83 vacuum tubes and equivalents A great article with in-depth breakdown of internal structure of Mullard tubes NOS vs 12at7/ECC81 (33. NOS CV4024 (ECC81 / 12AT7) 12AT7 / ECC81 Mullard. ECC83 Sign in to follow this. Fender hot rod, Fender blues deville, Fender blues deluxe. ECC81 is 12AT7 medium gain pre-amplifying double triode. vacuum tube) lub gazem pod niewielkim ciśnieniem (lampa gazowana, ang. High Gain, ultra-low microphonics, and superb linearity with a dynamic 3-D sound. Scientist RRR. Technics SH GE 90 Klas126 am 13. cool change, less gain, more tone. As well it offered more gain. Preamp Tubes: 12ax7 vs. 12AT7 - ECC81 Another popular twin triode. Preamp Tubes : JJ ECC83/12AX7 (1), JJ ECC81/12AT7 (1) Reverb Tube : JJ 6V6S (1) Rectifier Tube : None - Solid-state Transformers : Power - GA-5/Reverb Unit (MOJO779), Choke - MOJO778, Reverb Driver - NOS771. These Gold Lion ECC83 / B759 12AX7 Gold Pin are hand selected matched tubes. 20 out of 5). Lampes du préampli : 3 x ECC83 (12AX7), 1 x ECC81 (12AT7) Lampes de l'ampli de puissance : 2 x EL84. Many will get a little gleam of love in their eyes, and start gushing about how it’s the pack mule among tube circuits, with a mean kick that’s perfect for driving tone stacks. No attenuator. E83CC is an old term for a special high quality ECC83 (=12AX7). A sample of two TUBE DRIVER An old Chandler with Mullard Ecc81 VS a new B. A quei livelli di guadagno, l'elevata transconduttanza della ECC81 non solo sballa il punto di lavoro, ma di solito porta a oscillazioni nei pre phono. ECC83 vs 12Ax7 Tubes - What is the Difference? One of the more confusing things about tube amps is changing them, especially when there seem to be so many different kinds available. 75 operated independently of each other as they are in series only, because theres no centre filament tap at pin 9 as in ECC83. The 6SL7 type of valve has the same base as output valves such as the 6V6, 6L6, EL34 etc and were bulky, so the ECC8X family made a lower power, much smaller pre-amp valve. The ECC83 MG is a "Mid Gain" 12AX7 type tube. Therefore the closest to the input would be the one inside the jacket/shield which is an ECC83 (red print Marshall Valve 00067). By freehandarson, March 29, 2009 in Amps. I have some old Telefunken ECC83 smooth plate (12ax7) and ECC81 (12at7) tubes and I was wondering which will be the ultimate choice. Our observation: A great 12AT7! This tube has all the qualities of the JJ 12AX7’s. No doubt, but less so. 220-240v 50/60Hz FUSE: T0. ] Mullard also did ladder anode type constructions. Many will get a little gleam of love in their eyes, and start gushing about how it’s the pack mule among tube circuits, with a mean kick that’s perfect for driving tone stacks. The 12AT7 is not the most commonly used preamp tube in audio. The 12AX7, 12AT7, and 12AU7 all belong to the same family of nine contact, twin triode tubes. Loud 12AY7 was original tube for V1 position in this circuit (fender tweed bassman), i find it very interesting :). The CV4024 / M8162 is a special quality version of the ecc81 / 12AT7. Its rugged design and rich harmonics make this tube an obvious choice for musicians who need a reliable and high quality tube at a reasonable price. 09″) unboxed weight: 8. Very smooth and warm sound. NOS CV4024 (ECC81 / 12AT7) 12AT7 / ECC81 Mullard. Like all Gold Lion Tubes, Gold Lion ECC83 is built with meticulous quality, which makes it ideal as the premium upgrade for any audio 12AX7 application. So now you know. Plug and play. 02″) Unboxed Weight 30. These are made in West Germany, have a diamond <> bottem and original boxes. Tolex is the most common covering found on the outside of guitar amplifiers and speaker cabinets. The ECC83 MG is a "Mid Gain" 12AX7 type tube. 6V supply or in parallel from a 6. La 6AV6 es una versión miniatura de la válvula 6SQ7, una válvula con un triodo y dos diodos muy usada como detectora-preamplificadora en las radios de AM, que a su vez es similar a la vieja válvula 75 de los años 1930. bei der ECC85 wären den eine anschluss die vier, der andere die 5, die 9 käme idealerweise auf GND. 5 vs -10 to -13. 【E82CC/12AU7-GD】真空管(MTミニュチュア管)9ピン 1,850. (some electroharmonics 12AU7's are on the way so maybe I'll hear a difference there) Andre's comment over the bases brings up another issue that has been on my mind. Vacuum tubes by use. 06 kg (17. 12AX7 Gold Pins (ECC803S) TUNG-SOL. Large plate format, superior dissipation over the originals. 75 operated independently of each other as they are in series only, because theres no centre filament tap at pin 9 as in ECC83. The longer one originally (my all time favourite ECC83) and the later shorter ladder anode (still excellent). In this case I wanted to know how a modern tube would perform in terms of sound quality against an old Telefunken ECC83. A medium-mu twin triode. However, some new production ECC81/82 have totally different looking plates, resembling ECC88. Loud 12AY7 was original tube for V1 position in this circuit (fender tweed bassman), i find it very interesting :). For instance, the 12AX7 made by Gold Lion is like this. The 12AX7 (or ECC83 if you’re a Brit) is by far the most commonly used valve in guitar amplifiers. Made in Holland. The 12AT7 (ECC81) has somewhat lower voltage gain than the 12AX7 (ECC83), but higher trans conductance and plate current. Should have read 6AQ8/ECC85 and 6BK7A/ECC81 Also, again 6AQ8/ECC85 So no ECC83/12AX7's there. By freehandarson, March 29, 2009 in Amps. 75kg) Weight, Dimensions, and Manufacturer Part Numbers Black Shipping Weight: 51 lbs. No doubt, but less so.
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