Ecc83 vs 12ax7
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Ecc83 vs 12ax7

) typically reduces circuit gain by 28% and slightly increases BW by 4%. Since I want to replace with mullard tubes 12AX7 Gold Pin (also ECC83, 7025) Preamp Vacuum Tube. . back Ip vs Vp : V PP (V) : RL (kΩ) Copyright © 2015-2018 Amp Books LLC 其實,訊號管雖然有百百種,但用在前級的訊號放大上,幾乎只剩 ecc83 (12ax7) vs. Uno dei filtri ultizzati ha determinato che nessun prodotto sia stato trovato! Puoi rimuovere uno o più filtri e riprovare Oppure riutilizzare uno dei filtri usati in precedenza. Mullard 12AX7/ECC83 I61 vs I63? If you put each of these in a tube tester and they read EXACT readings in terms of strength and output, what is the tone difference? I will also detail long vs. Mullard ECC83 Showing 1-16 of 16 messages. The Genalex Gold Lion EEC83/12AX7 is my current fav and a close second Mullard 12AX7, both are reissue's and not overly pricy. Question: What is the truth about tube testers? Answer: The best test for a tube is in the actual piece of equipment the tube will be used. Power tubes can have a dramatic effect on your amplifier’s sound. the factory item "12AX7B" is Shuguang's better selection item versus their "12AX7" or "12AX7A". In that situation, the 12AX7 would be fine. For years, I have thoroughly enjoyed my oooooooh so -good-sounding 12AX7 Ei Gold Pins. HISTORY OF EARLY MARSHALL AMPLIFIERS . Very hard to find, this tube is Vintage and Extra Rare!Buy Tung-Sol 12AX7 Preamp Vacuum Tube, Single: Tubes - Amazon. The problem is this, what if i would like to use in the same amp Russian tubes and European tubes without the need to reroute the heaters wiring. Original Genalex Gold Lion ECC83/B759 tubes are considered among the best 12AX7 types ever made. They are hard to find and when they are available, they are expensive. Long life > 5000 hrs!!! tubes store Hi Phil, Firstly I'm no Mullard or tube expert but I have had a play with a few tubes over the last few months. Did you know that Electro-Harmonix makes many of the world's greatest vacuum tubes? The next time you need Bold designators are close or identical, Italic designators are different ratings, different pinouts or different filament voltages. This is a mod that is incorporated into Torres BBQ Blue mods. A comparison of 11 preamp tubes 12AX7 / ECC83. Mullard 12ax7 Short Plates 6AK5/EF95 6AQ8/ECC85 6as7/ECC230 6bq5/EL84 6DJ8/ECC88 6sn7/ECC32 12at7/ECC81 12au7/ECC82 12ax7/ECC83 12BH7 300B 5687/7199/6900 5751 The Ei ECC83/12AX7's were produced in Yugoslavia on Telefunken tooling and resemble the smooth plate Telefunken series. Plate length. ECC83 tubes manufactured by Mullard, Telefunken, Amperex and Siemens are sought after. 027: JJ 12AX7/ECC83 Nice sounding modern production tube from JJ with small JJ plate structure Small plate: $12. The Mullard ECC83 is a superlative piece of engineering, the high grade materials and well-considered construction ensure very low noise operation with exceptionally low microphony – vastly superior to any tube manufactured today. com FREE DELIVERY possible on eligible purchases12AX7 COMPARISONS ~ Best and Worst . These are getting extremely hard to find. 12**7/ECC** is the north american/european equivalent to each other. 12AX7 / ECC83 / 7025 / CV4004 Make real world comparisons of most of our 12AX7 tubes with the Tube Comparison Tool. There is a 12AX7 tube that's right for your gear in our vast selection! Also included in this comparison are direct substitutes for the 12AX7 including: ECC83, ECC803, 7025 and 5751. As you can see, the EL84 is almost as power-hungry as the 5881, but is only about half as powerful in terms of wattage. 00 Full Music 12AX7 vs Psvane 12AX7-T; Please offer your tube advice / observations on 12AX7's and ECC83's. All 12AX7 tubes have an amplification factor (μ) of 100 ("high-mu"). 12AX7 vs. Classic American hot rods and guitar amps. Big, warm, and musical. Question for amp techs Can I replace a 12ax7 with a ecc81? The HT pedals necessarily use pretty wee anode resistors so don't swop out the ECC83 (bit of a PITA to The India made BEL 12AX7 is by far the best value in 12AX7 tubes. Performance", for me anyway. Made by VOSKHOD factory (ROCKET logo). of the JJ ECC83S tubes from you last year, but not sure what the difference is from the ECC83. Provides a very smooth sound with well-defined tones suitable for audio and guitar amplifiers. The 12AX7 Valve Compared With the ECC83 - ampvalves. The Mullard 12AX7 / ECC83 is a Very Smooth Sounding tube. One of the tubes was making a Tube differences EEC83 (12AX7) vs. ECC83/ 12AX7-ELECTRO HARMONIX GOLD PIN Electro Harmonix The Electro Harmonix ECC83 12AX7 Gold pin is made in Russia and has become one of the best sounding current ECC83 - Long Plate vs Short Plate . DOUBLE TRIODE ECC82 is 12AU7 medium gain pre-amplifying double triode. The 12AX7 has the highest gain at 100, the 12AT7 is lightly lower and the 12AU7 is the lowest gain of the group. I can't remember what the ECC83 is for. Guitar amplifier parts, guitar amplifier tubes and guitar amp tubes 12ax7, 6v6gt, EL84 Eurotubes is a webpage for musicians by musicians. It is one of the best What is the difference between a 12AX7 and a 12AX7A? ANSWER - Back in Mullard ECC83 (12AX7) Reissue vs Original – A Physical Comparison. Highly durable, low-microphonics double triodes, close by characteristics to the 12AX7/ECC83. Although the Ecc83 is the european designation for the 12Ax7, there are subtile sound differences between a true 83 and the 12ax7, plus The Ecc83's are capable of handling more current that most 12ax7. I have a circuit currently using ECC83 tubes, but the designer says that a 12BH7 would give lower distortion. In both cars and gear, pursuing the perfect look and performance can be time consuming and expensive. Equivalent to the 12AX7, ECC83. Slovakian tube takes the characteristics of the plain pin 12AX7/ECC83 version and boosts The JJ 12AX7 is well suited for all types of music and playing. This entry was posted in Vacuum Tubes and tagged 12ax7/ECC83 by Tungsram ECC83s because there IS NOT a Single “Tungsram ECC83”– there is a family or GROUP I was swapping the first two tubes (should make the most of a difference) in my 5W slo clone between 6n2p-ev, EI ecc83s, JJ ecc83 and chinese 12ax7. 3V mode. Buy JJ 12AX7 / ECC83 Gold Pin Vacuum Tube: Tubes - Amazon. to ECC83, 12AX7, 7025) All of the 12AX7 types listed may be used to replace 7025 or 12AX7A. Telefunken ECC83 long (17mm) smooth plates (on the left); EI ECC83K, well known among audiophiles as “short (14mm) smooth plate ECC83”, an extremely rare and surprisingly well sounding ECC83 / 12AX7 …This is the "milspec" version of the 12AX7, but is also slightly different. GE 12AX7WA's, 14mm, mil spec…$75. A Comparison of Current Production 12AX7 Tubes. Fully tested and 100% guaranteed. normal short (14 mm) plates. All Tele’s ECC83 / 12AX7 are long (17 mm) plates vs. Thus, substituting a 5751 for a 12AX7 (or ECC83, 7025, etc. If you want the legendary overdrive of the SLO 100, but don’t quite need 100 watts of sonic ammunition, this is a great amp for you. uk/12ax7-valveJun 15, 2017 What is the difference between a 12AX7 Valve and an ECC83 valve?” Buy your ECC83 here. I have a bunch of 12AT7 NOS preamp tubes and I also some ECC83 tubes. These are about the same as 12AX7 with a tad less gain and slightly different heater wiring that operates only in 6. The NOS GE 6V6 and the current-production …Bill, another possible use for the unused section of V2 would be for valve reverb. DOUBLE TRIODE max 22,0 max 49,2 max 56,3 Base: NOVAL Uf = 6,3/12,6 V If = 300/150 mA 12AX7, 7025. Viewing this brief history of the Marshall amps, several era's can be distinguished: The sixties (1962 - 1967) which is the "Jurassic" period of Marshall and is the time of the JTM's. Long story short, I picked up the following 12ax7's/ ecc83 Only at Sweetwater! Bulk Pricing and FREE Shipping for your JJ 12AX7/ECC83 Slovakia Preamp Tube! Shop for the JJ Electronics 12AX7 / ECC83 Preamp Vacuum Tube and receive free shipping on your order and the guaranteed lowest price. Vacuum Tubes for Amps 12AX7 vs 7025 >seen that ECC83 is the same as a 12AX7 and have also heard that >an ECC83 is the same as a 7025. Easy to use, just select your tube from the drop down list, move the bottom blue slider to max B+ to the anode, move the left blue slider to max current you want, move the yellow slider to max input (Uinp), move white slider to make the lowest distortion (Htot). I *believe* that ECC83 is only the British designation for the same tube 12AX7. 12AX7 Mullard 1本双極マッチ 中ゲイン 12AX7 Mullard 2本マッチ 中ゲイン 真空管PX12 12AX7 Mullard 1本双極マッチ 中ゲインFAQs. Telefunken tubes have a diamond shape molded into the glass on the bottom center of the tube. But the 12AX7 and ECC83 are simply different nomenclature - just like 6BQ5/EL84. I was just looking around at tubes and what have you. ecc88 (6922) 的局面。 另外,就是新近崛起的 6H30 了。 外表雖相似,卻有不同的特性與優缺點, Original Genalex Gold Lion ECC83/B759 tubes are considered among the best 12AX7 types ever made. com FREE DELIVERY possible on eligible purchases 12AX7 COMPARISONS ~ Best and Worst . I am curious if there is a big audio quality impact with a swap especially in the phono section; the ECC83's are super quiet hence perhaps a good match for the phono. Most tubes with ECC83 listed on the label are European, and the ones in demand are Telefunken, Amperex, Mullard, and Siemens. *note: mostly they use selected quality of this tube (see RT001, RT010 or alternativly RT008 + RT080) Taste test, Telefunken vs. I see 12ax7's and 7025's and The Mullard 12AX7 / ECC83 is a Very Smooth Sounding tube. Noticed that the amp sounded thinner, brighter, spankier with the EH. black plate. I`ve just bought an russian built 100w tube head, with 4 6L6 and 3 ECC 85 (its named "heavy duty", anybody heard of this one?). 12AX7 (ECC83) Electro Harmonix Pre Amp Valve Kit 2 tubes One of them balanced selected 12AX7/B759 - Genalex Gold Lion, Gold Pin - Genalex Gold Lion ECC83/B759 (12AX7) dual triode preamp tube with gold pins. The 5751 has the same plate resistance as the 12AX7, but the gain factor is only 70 compared to 100 for the 12AX7. wikipedia. These tubes include those produced by Mullard, Amperex, Siemens, Telefunken, Tungsram, RFT, Ei, Mazda, Lorenz, Philips and others. Like it’s big brother, the 100 watt AVENGER, the 50 watt AVENGER offers pure SOLDANO overdrive tone. RCA and Sylvania first introduced the 12AX7 to the world in the late 1940s. EEC81 (12AT7) Hi all, Can anybody tell me anything about the difference between these two tube types in a preamp section of an amplifier? Hello Jac. BSCT-12AX7LPS-SO. 12DW7 : Tone, Reliability Discussion in 'Amps Then simply plug in the 12AX7 tube (also fine is ECC83 and 7025). 12AX7 (also ECC83, 7025) Preamp Did you know that Electro-Harmonix makes many of the world's greatest vacuum tubes? The next time you need to re-tube your guitar The Electro Harmonix 12AX7 ECC83 is a very rugged Russian design with Thick Glass and a rigid internal construction. 12AX7 Basics The 12AX7 is a 9-pin miniature, high-mu, twin triode. All Home > 12AX7 / ECC83 / ECC803S > M8137=CV4004=12AX7 RARE GOLD-PINS made by Mullard for Telefunken ECC803S with their LOGO "Box Plates" NOS Matched Pair The JJ ECC83 / 12AX7 is great for hard rock and metal. Long story short, I picked up the following 12ax7's/ ecc83 I have had many discussions with guitarists everywhere that a ECC83 valve IS NOT a 12AX7 however much the Americans say it is. Groove Tubes GT-ECC83-S Select Vacuum TubeOur highest-gain preamp tube, this tube has a huge amount of gain, with terrific output that makes it a great choice The EL34 and 12AX7 types I really don;t a whole lot about but I am rapidly learning. It is common for design engineers to build a mockup of the circuit being designed with meters and oscilloscope connections in order to evaluate the performance of the tube under the various operating parameters encountered. JJ ECC83S Pre-amp tubes which one????? why when they still shit on me quicker than any other tube ive used? never had a problem with a JJ ecc83 This is the legendary Telefunken ECC83 / 12AX7 with smooth gray plates and diamond imprint on the base. Cryogenic Treating. My favourites are still the Preamp Tubes – 12AX7 / ECC83 / CV4004 / 5751 Tube Basics and FAQ. 12ax7 vs 12ax7a. Euro naming. The NOS GE 6V6 and the current-production EH 6V6 are essentially the same in power draw. 028: Chinese Doc, I am sure this question has been asked many times. Classic American hot rods and guitar amps. BLACK SABLE JJ ECC83 / 12AX7 Gold Pin. Keep in mind that you'll want to make sure the tubes are biased correctly as well. Double Triode Quick reference data • Anode current Ia=1,2mA • Transcoductance S=1,6mA/V • Amplification µ=100 Heating I was swapping the first two tubes (should make the most of a difference) in my 5W slo clone between 6n2p-ev, EI ecc83s, JJ ecc83 and chinese 12ax7. Grading and Matching. Especially the ones that say Mullard, Telefunken, Amperex, EI or RFT on them. 12AX7 and 5751 (equiv. Silky, milky sound, with LOTS of detail. I see that you use an ECC-83 as the preamp tube and a RUBY 12AX7 as the Phase Inverter in the Therapy Head. Like it’s big brother, the 100 watt AVENGER, the 50 watt AVENGER offers pure SOLDANO overdrive tone. short plate and gray vs. A review of the JJ ECC83-S / 12AX7 Vacuum tube. Mar 29, 2009 · ECC is a european designation, hence Marshall, from England came with ECC-83 pre-amp tubes, while Fender [american] came with 12AX7's, same tube, different designation. Mullard ECC82 12AU7 M8136 Shield & BVA - Click to enlarge photos: Mullard ECC82/12AU7/CV4003 - Click to enlarge photos: Brimar ECC83/12AX7/CV4004 - Click to enlarge photos: NOS Telefunken 12ax7: Compared to the Mullard, this tube had a noticeably less open sound to it. Telefunken ECC803S (E83CC) In my opinion these are simply the best. Most common "lesser gain" alternatives to the 12AX7 are the 12AU7 and 12AT7. org/wiki/12AX712AX7 (also known as ECC83) is a vacuum tube that is a miniature dual triode - 6AV6 with high voltage gain. Today, it is by far the most common preamp tube used for electric guitar amplification and there is an almost overwhelming supply of current production options to choose from. Made on Philips Mullard equipment and identical to a mullard 12ax7, but pumped in India, these have the exceptional tone of a Mullard and accentuated mids without the hefty price tag. Battle of 12AX7. The hifi standard in McIntosh, Marantz and Fisher for 50 years running. The Except it's in European, 12AX7 = ECC83, 12AU7 = ECC82, 12AT7 = ECC81. Just picked up a new Vox AC15C1 and it comes with Shuguang (chinese) tubes stock - they actually sound pretty decent. the USSR came up with a completely different design for the ECC83/12AX7 that I think originated with the 6N2P. Did you know that Electro-Harmonix makes many of the world's greatest vacuum tubes? The next time you need I want to know the difference between 12AX7 tubes and 12AT7 tubes. The ECC83 Gallery 12AX7 E83CC ECC803S 7025 : 5751 CV4004 CV492 B339 : The ECC83 is still the most important preamp and driver tube. Low micro-phonics and Author Topic: Do pedals that feature a 12AX7/ECC83 tube really create preamp tube (Read 33773 times) GT-12AX7M-Gold. This tube results in a dull sounding tone that lacks touch sensitivity Dec 30, 2010 · You will blow up your amp if you try and use those Old ECC83's in there. Please see the substitutes at the top of the page for more details 12AX7 Family Tube Substitution. Excellent for use in high gain Marshall pre-amplifier circuits, where noise and microphoncs can be an issue. All - 12AX7, ECC83, 5751 12ax7, Ecc82, ecc81, 5751, 12au7 and many supplied tested and graded (see options on the valve page). 12AX7 (ECC83) Electro Harmonix Pre Amp Valve Kit 2 tubes One of them balanced selected ECC83 versus 12AX7: What is the Valve Used For? In a guitar amplifier this valve is used everywhere gain is needed. 00: 12AX7A / ECC83 Amperex { Made in West Germany } 12ax7 ecc83 12AX7 is a miniature dual triode tube with high voltage gain. Click to zoom in. Recent NOS collection purchase yields 7 beautiful gray or silver plates labeled Ei and Groove Tubes. This tube is labeled for either Fisher or Dynaco and says made in West Germany. 其實,訊號管雖然有百百種,但用在前級的訊號放大上,幾乎只剩 ecc83 (12ax7) vs. Like all Gold Lion These desirable 12AX7 are arguably the best sounding US made tubes available. Is it correct and is the 12BH7 a drop-inThe Ei ECC83 / 12AX7 tubes in these precisely matched pairs, trios, quads, and sextets were made in pre-war Yugoslavia and labeled for Audio Research. com FREE DELIVERY possible on eligible purchasesFeb 05, 2018 · I'm not really a NOS tube Guy, they lost to "Cost vs. ? Are 12AX7 and 12 AT7 The "S" stands for "spiral filament" and the only 12AX7 we carry is the "S" version so you are on the right product page for the ECC83-S Was this helpful? 9 1 Answer this question: * Although the Ecc83 is the european designation for the 12Ax7, there are subtile sound differences between a true 83 and the 12ax7, plus The Ecc83's are capable of handling more current that most 12ax7. F. I know that both are triode preamplifier tubes. Real tube distortion with 12AX7 / ECC83H&G Test Works. Also 12AX7 , 6L13, B339, CV492, 12DT7, E2164 & E813CC . It is especially suited for use in resistance-coupled voltage amplifiers, phase inverters, multivibrators, and numerous industrial-control circuits where high voltage gain is desired. Vacuum Tubes for Amps 12AX7 Comparisons Vacuum Tubes for Amps 12AX7 Comparisons Tesla ECC83 – Good gain, quiet, best tube for drier sounding high gain amps I am playing around with a Grant Fidelity TubeDac 09 and am wondering if anyone can tell me if I can safely replace the 6N3/5670 Tube with a 12AX7? I would also like to know if the thin wire that surrounds the tube length wise is necessaryor is that there for shipping purposes only? 12AX7 datasheet, 12AX7 circuit, 12AX7 data sheet : GEC - TWIN TRIODE ,alldatasheet, datasheet, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes, triacs, and other semiconductors. US. Pulled a microphonic and noisy JJ ECC83 out of a Fender Deville amp today, and replaced it with an EH 12ax7 (had in stock). The Telefunken ECC83-TK/12AX7 Black Diamond Series Vacuum Tube is ideal for use in input and inter-stage audio amplifiers in homes, studios, and live stage applications. Very hard to find, this tube is Vintage and Extra Rare! Buy Tung-Sol 12AX7 Preamp Vacuum Tube, Single: Tubes - Amazon. 12ax7 vs 12AT7 vs 7025 etc. 9/5(25)Brand: JJ Electronics12AX7 - Wikipediahttps://en. BSCT-12AX7-TSG. The third OEM tube is the European JJ ECC83 (ECC83 is the British name for a 12AX7; JJ's are made in the Slovak Republic). Thanks! Mike, Thank you for recommending the NOS RFT 12AX7 to warm up my 65 Amps Empire. You will blow up your amp if you try and use those Old ECC83's in there. Note: the European nomenclature for the 12AX7 is ECC83; the 12AT7 is ECC81; and 12AU7 is ECC82. ECC83: This is the European version of the 12AX7, and is identical to it. Since 12ax7's and ECC83's are apparently drop in substitutes for one another (please correct me if i'm wrong though). The only serious one I haven't tried yet is the new copy by Grove Tubes yet. 1 JJ ECC83, a Sovtek 12 7 wb ax, a ax 12 EH 7; Found a stash of 12BH7a tubes in Grandpa's shed. The difference is 12AX7 is for phono channel and 12AT7 is for main channel. " Mar 23, 2004 #9. 12AX7 (ECC83) TUNG-SOL. 12ax7 - ecc83 genalex gold lion - 12ax7 - ecc83 genalex gold lion 12ax7 - ecc83 genalex gold lion - platinum grade tubes, 12ax7 - ecc83 genalex gold lion Home Wish List (0) ecc83 / 12ax7 은 진공관 앰프에 가장 많이 사용되는 진공관중 하나입니다 . We stock tousands of pre-amp valves from NOS to current manufactururers like JJ, Electro Harmonix, Psvane, Tube Amp Doctor (TAD), Fender, Groove Tube and many more European JJ ecc83 (12ax7) Linear Tone. Watford Valves - Test Reviews ECC83,12AX7 Test Reports 1998-2002 INTRODUCTION: OBJECT OF THE TEST To establish the best sounding ECC83/12AX7 of both New Old Stock Shop for the Tung-Sol 12AX7 Tube and receive free shipping on your order and the guaranteed lowest price. Britain I want to know the difference between 12AX7 tubes and 12AT7 tubes. Guitar amplifier parts, guitar amplifier tubes and guitar amp tubes 12ax7, 6v6gt, EL84 Hey guys thought to share this with you. Vintage European and US 12AX7, ECC83, 5751, 7025, CV4004, CV492, and M8137 tubes in stock now, fully tested and guaranteed. Since I want to replace with mullard tubes (*)These specifications are provided 'as-is', with no warranty of any kind. replace ECC85 with ECC83? Hey there. By the way, amp was built to work with 6n2p tubes all way. Something about those very short plates, heavy bottle, and long GE 12AX7/ECC83's, 14mm tubes…$75. May 19, 2000 · I have a circuit currently using ECC83 tubes, but the designer says that a 12BH7 would give lower distortion. Hello everyone. We are all things tubes, Guitar amps, Bass amps and Hifi amps. Vacuum Tube Warranty & Return Policy. As you can see, the EL84 is almost as power-hungry as the 5881, but is only about half as powerful in terms of wattage. 9 mA/VApr 26, 2013 · Anyone try running Telefunken ECC803's tubes in the vintage McIntosh C22 pre-amp? The C22 is currently running Telefunken 12AX7 tubes. Use of these parameters shall be entirely at the user's own risk. Editors note. Viewing this brief history of the Marshall amps, several era's can be distinguished: The sixties (1962 - 1967) which is the "Jurassic" period of Marshall and is the time of the JTM's. Audio tubes for guitar amplifiers and audiophile equipment. $99. Free of muddiness or brittleness. 12AX7. Eh 12ax7 Discussion in 'Amps/Cabs Tech Corner: Amplifier, Cab & Speakers I've pretty much settled in on JJ 12ax7's for most amps and tung-sol for amps that need a little high end boost. The model number just refers to the gain structure, 12ax7/ECC83 being the highest, then there is 12au7 which is the same as ECC82 and so on and so fourth. co. 12AX7 datasheet, 12AX7 circuit, 12AX7 data sheet : GEC - TWIN TRIODE ,alldatasheet, datasheet, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Customer Images: I tried the EHX 12ax7 and found it to have alot of distortion on tap, very crunchy fizzy. Long life > 5000 hrs!!! tubes store A Comparison of Current Production 12AX7 Tubes by Kurt Prange Also included in this comparison are direct substitutes for the 12AX7 including: ECC83, ECC803, 7025 and Buy Telefunken ECC83-TK/12AX7 Black Diamond Series Vacuum Tube featuring Dual-Triode Vacuum Tube, Ideal for Input & Inter-Stage Amplifiers High Gain & Low Noise. May 26, 2005 · Long story short, I picked up the following 12ax7's/ ecc83's: 2 Mullard (unfortunately one turned out to have a short), 1 Amperex Bugle Boy, a Brimar, an unknown and 3 mismarked boxes that were supposed to be Ameperex 12ax7's but contained 6j6's of various makes. I will also detail long vs. 2 года назад When you start to push an amplifier, the characteristics of these tubes become more apparent. ----- mrbrown4911 The India made BEL 12AX7 is by far the best value in 12AX7 tubes. 12AX7 Gold Pin (also ECC83, 7025) Preamp Vacuum Tube. 3 Volts to pin 4 and 5 , pin 9 is an internal shield ) the layout is the same as an ECC83 . I have tried using a JJ ECC83 in my Germino Club 40's V1/V2. Bron-Y-AurStomp Lazy. Unsere Mitarbeiter zeigen Ihnen gerne ihr Wunschprodukt live vor Ort und beraten Sie bei der Auswahl. BLACK SABLE Sovtek 12AX7LPS. I did put a 12AU7 into V2 for a less volume and less distortion, replacing the 12AX7. ECC83: This is the identical European equivalent of the 12AX7. TrANsfer ChArACTerisTiCs pLATe ChArACTerisTiCs 12ax7 ecc83 preamp valves. 12AX7 is a high gain tube that provides the wonderful tube sound with warmth in harmonics in many tube amps. The 7025 valve is a low hum and low noise version of the ECC83, but whether you’ll hear the difference is debatable. European JJ ecc83 (12ax7) Linear Tone. Please offer your tube advice / observations on 12AX7's and ECC83's A sad day has arrived for me in my audio journey . Tube differences EEC83 (12AX7) vs. KCA NOS Tubes. The 12ax7 is a miniature high-mu twin triode, each section of which has an individual cathode connection. Telefunken ECC83 long (17mm) smooth plates (on the left); EI ECC83K, well known among audiophiles as “short (14mm) smooth plate ECC83”, an extremely rare and surprisingly well sounding ECC83 / 12AX7 (right) This is the "milspec" version of the 12AX7, but is also slightly different. THE 1963-1973 MARSHALL HANDWIRED AMPLIFIERS . uk www. 028: Chinese 12AX7/ECC83 Telefunken Diamond Bottom Smooth Plates used/tested: (the smooth plate 12AX7 has a more balanced sound than a rib plate and great upper midrange with good ECC83: This is the identical European equivalent of the 12AX7. Get a low price and free shipping on thousands of items. The Telefunken 803 S may still be it, but I'm simply This is the other 12AX7 tube made by JJ and it is very different both in sound quality and construction from the previously reviewed JJ ECC83 S tube, with its’ frame-grid construction and compact, 6DJ8-style plate structure. These are all tested strong and some of them come as matched pairs in their origional boxes. This Re: JJ ECC83s or Tung-Sol 12AX7 current production? Im a tube whore! i tried a few, best bet is getting used or new nos tubes. ($20,000+) > 12AX7 vs 12AX7B tube 12ax7/ecc83 Tungsram No longer produced, these are well thought of by the people who have tried them, but due to their relatively rare nature, they are not widely well known. ECC83 Vacuum Tubes at Europe's largest retailer of musical instruments - fast delivery, 30-Day Money-Back Guarantee and 3-year Thomann warranty 12AX7 / ECC83 A. This is our "audiophile" tube page. 4. Special quality types are: M8137 , CV4004 , 6057 & VX7059. Just mail them to me TWIN c/o The Marshall forum, and I will exchange them for some nice SAFE New Production 12AX7's. By treitz3 in forum Vacuum Tube Audio Forum Replies: 13 The EL34 and 12AX7 types I really don;t a whole lot about but I am rapidly learning. To me ECC83s in pre amp sections sound warmer,Any thoughts or facts ? Mike - My Roccaforte amp loves the RFT ECC83, so i am back for more. American VS. The Ultimate 12AX7. My guess would be since there can be such wide variations between the same preamp tube, each will have a slightly different voicing. Here are some specs : S = 5. Still today, the market for ECC83 is huge, with more than 2 million pieces sold yearly, mostly for guitar amplifiers, but also a good part for Hi Fi amplifiers and phono RIAAs made ever since the early 1950’s. Home > Pre Tubes > 12AX7 ECC83 ECC803S E83CC 7025 CV4004 CV492 CV4035 M8137 M8214 6057 6681 > Mullard ECC83 - Rare 1950s Long Plate Square or Halo Getters CV492 Label - Blackburn or Mitcham Gt. ecc83/12ax7 tubes We have a great selection of the ECC83/12AX7 used, as new tubes available in stock. Category Archives: 12AX7-T/TII/LS Put the new tubes in and turn on, first 10 mins, comparing to Psvane 12AX7-TII…the new super tube has lower noise floor, sound I don't like Mullard 12AX7 preamp tubes Mullard 12AX7 / ECC83 Reissue - This is a nice tube but in my opinion better suited to home audio than guitar amps. $109. It may mean it is a specially robust 'military grade' valve or may mean it has specially low noise / microphony. We deal in JJ Electronic tubes, NOS tubes, capacitors, speakers and bias probes Please offer your tube advice / observations on 12AX7's and ECC83's A sad day has arrived for me in my audio journey . The Genalex Gold Lion EEC83/12AX7 is my current fav and a close second Mullard 12AX7, both are reissue's and not overly pricy. ecc83 vs 12ax7 ECC83/12AX7 Page 1 of 4 ECC83 is A. 00 TUNG-SOL REISSUE 12AX7/ECC83. ECC83 is the European designation for the 12AX7 tube -- (it is the same exact tube). Just mail them to me TWIN c/o The Marshall forum, and I will exchange them for some nice SAFE New Production 12AX7's. EEC81 (12AT7) Hi all, Can anybody tell me anything about the difference between these two tube types in a preamp section of an amplifier? A review of the JJ ECC83-S / 12AX7 Vacuum tube. Discussion in they've just been SUPPOSEDLY selected from the current production 12AX7/ECC83 tubes for being less noisy but I seriously doubt that Can someone tell me the difference between 12AX7 & 7025 tubes? It seems like you see both of these numbers written on the box flap of NOS tubes. This is • We have a transconductance of 5500 vs 1600 of the 12AX7. I see 12ax7's and 7025's and As far as pin outs are concerned the 12 series tubes are all interchangeable. 95. 2 года назад The best 12ax7/ecc83 tube I have ever experienced for resisting microphonic behavior is the RFT ecc83. Purchase Mullard 12AX7 / ECC83 vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. 12AX7 long plates or short plates? Now I need to fill the ECC83 slot and ECC83 and EL84 amplifier. From stompboxes and guitar amps to compressors and microphones, 12AX7 tubes are widely used for their even-order harmonic distortion and full frequency range. They 12AX7 (also ECC83, 7025) Preamp Did you know that Electro-Harmonix makes many of the world's greatest vacuum tubes? The next time you need to re-tube your guitar If you really want it to sound good, get an NOS telefunken or Mullard 12AX7 or ECC83 tube, or an RCA or General Electric. Good to know: 12AX7 = ECC83 on the Euro market. The Tung-sol 12AX7 preamp tube has a warm musical tone. The Psvane Reference T Series of tubes was created to offer an equally high-end line that included common small signal tubes—the 12AX7, 12AU7, and 12AT7. 00: 12AX7. . These are the standard short-plate ECC83 that eurotubes will Classifieds: FOR SALE - Telefunken and Mullard 12AX7 ECC83 tubes asking for $100. ampvalves. BLACK SABLE Tung-Sol 12AX7 Gold Pin. chinese 12ax7 vs. This article focuses on the early generation Marshall amplifiers, which were offered during 1963 to 1973. Many people think that V1 (the first gain stage) is the most important tube in an amp. Category Archives: 12AX7-T/TII/LS Put the new tubes in and turn on, first 10 mins, comparing to Psvane 12AX7-TII…the new super tube has lower noise floor, sound E83CC is an old term for a special high quality ECC83 (=12AX7). BSCT-ECC83G-JJ. International Order JJ ECC83-S / 12AX7 vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. They are hard to find and when they are available, they are very expensive. What follows is a reproduction of Matt Lachesky's (Lachesky Amplifiers) Buy JJ 12AX7 / ECC83 Preamp Vacuum Tubes (Three Pack): Tubes say is I'm very impressed even with my on calibrated earache and hear the difference. Anyone try running Telefunken ECC803's tubes in the vintage McIntosh C22 pre-amp? The C22 is currently running Telefunken 12AX7 tubes. We stock tousands of pre-amp valves from NOS to current manufactururers like JJ, Electro Harmonix, Psvane, Tube Amp Doctor (TAD), Fender, Groove Tube and many more (*)These specifications are provided 'as-is', with no warranty of any kind. Mullard 12ax7 Short Plates 6AK5/EF95 6AQ8/ECC85 6as7/ECC230 6bq5/EL84 6DJ8/ECC88 6sn7/ECC32 12at7/ECC81 12au7/ECC82 12ax7/ECC83 12BH7 300B 5687/7199/6900 5751 This is the legendary Telefunken ECC83 / 12AX7 with smooth gray plates and diamond imprint on the base. Of large lamps tested, the Tung-Sol 12AX7 Reissue is one of the player in my various config. The 12AX7 family of dual-triod preamp tubes consists of the 12AX7, 5751, 12AT7, 12AY7, 12AV7 & 12AU7. 12AX7/ECC83 - Electro-Harmonix. Note that matched pairs of 12AX7 are not required ECC83/12AX7 Page 1 of 4 ECC83 is A. To me ECC83s in pre amp sections sound warmer,Any thoughts or facts ? Title: 12AX7 Author: General Electric Subject: JA-FP-2001-01-20 Created Date: 1/20/2001 10:41:07 PM 12AX7, 12AX7A, 12AX7B, whats the difference? Discussion in 'Tube Audio' started by draconus, Feb 8, 2009. Most hi-fi, amp, guitar amp, and stereo tubes we …Plate length. JJ ECC83 versus JJ ECC83S . 6N2P tubes are a replacement for 12AX7 in any typical amp application, but they have 6. 12AX7 / ECC83 / 7025 / CV4004 Make real world comparisons of most of our 12AX7 tubes with the Tube Comparison Tool. It is a high gain 12ax7. ecc83 vs 12ax7Various brands of 12AX7, with measuring tape to Tungsram ECC83 during operation. The Mullard CV4004/12AX7 reissue is a high gain, low noise tube, with a short plate structure for reduced microphonics. We just completed another tube and hifi shoot-out tonight at my apartment. It was definitely worth the effort of doing some research and scouring the Net for the 'ultimate' ECC83/12AX7. 진공관 앰프의 사용되는 베스트 관중 하나이지요 . For the purpose of this article, the 1963-1973 handwired amplifiers are categorized into three sections: · 1963 to 1964 Metal Paneled (pre-plexi) · 1965 to mid-1969 Plexiglass Paneled “ PlexiRegardless of where you got your first taste of distortion, be it from entry-level amps or from a stompbox, your ever changing musical preference will eventually lead you to check out what other distortion pedals …Replaced 12AX7/ECC83 preamp tubes with Russian military 6N2P-EV tubes. Still the 12AX7B is technical a straight 12AX7 or ECC83 spec tube and of course compatible. There are different tonal characteristics from each tube. ECC83 versus 12AX7: What is the Valve Used For? In a guitar amplifier this valve is used everywhere gain is needed. 00: 12AX7A / ECC83 Amperex { Made in West Germany } Original Genalex Gold Lion ECC83/B759 tubes are considered among the best 12AX7 / ECC83 types ever made. Can they replace 12AX7 tubes? Best use clean, drive, or phase inverter? What sound would I The ECC83 (12AX7) Valve A common question is “What is the difference between a 7025 Valve and an ECC83 valve ?” The answer is simple – in theory you’ll get a bit lower noise and lower hum with a 7025 otherwise they are identical. This are high quality hi-durable, long-life ( > 5000 hours ) double triode tubes were made in USSR for the military equipment. Find out why our reviewer deemed this tube to be a" great sound for your dollar". Is it correct and is the 12BH7 a drop-in I would take a bog standard Mullard ECC83 / RCA 12AX7 (rusty black plates) over any premium ‘designation' current produced. Cassette Decks and Walkman Players The Ei ECC83/12AX7's were produced in Yugoslavia on Telefunken tooling and resemble the smooth plate Telefunken series. I also advise searching the net for all of the web sites put up by tube amp geeks to help you get a lot of great tips on how to get the response you want out of your amp with just 12AX7 RDL HR-DAC1 デジタル−アナログオーディオコンバーター RDL 24bit, 192kHz【送料無料】【smtb-u】:快音生活 RDL HR-DAC1 デジタル-アナログオーディオコンバーター 24bit, 192kHz【送料無料】【smtb-u】− Dynamic 12AX7 / ECC83 coupled triode stages analog modeling − Three channels: clean, rhythm and lead, each with fully separated controls − Selectable Mono / Stereo processing support − Selectable oversampling rate (up to 8x) − Global input / output level controlsJust replacing the 12ax7 with the same type of another brand won’t suddenly make your amp a clean machine: they all have about the same gain. Jun 29, 2014 Sound differences of preamp tubes in a Carvin Vintage 16 guitar amplifier in V1 position. Below is information gathered from what I have read. say ECC83/12AX7 and "Made in Western-Germany" All appear to have identical construction. The ECC83 is a high gain (μ approx 100) valve originally designed for quality audio applications and has an anode impedance of 62,000 Ω. The main event is the "Battle of 12AX7" which is something I have tried to organise for the last two months or so. What I am guessing is: > 12ax7's - Mullard vs Brimar vs Amperex News: Welcome to the new and improved Eden Bass Amps Forum. Is it correct and is the 12BH7 a drop-in Best 12AX7 For Audio. Playthrough of: JJ ecc83s as tested and sold by Ruby as their HG Chinese 12ax7b gain and microphonics tested, tube depot Tungsol reissue 12ax7 RFT ecc83s Tel Their ECC83 is the most famous ECC83 / 12AX7 ever. Get the guaranteed best price on Preamp Tubes like the Ruby ECC83 (12AX7A) Preamp Tube at Musician's Friend. 동일한 특성을 가진 관을 Mullard ECC82 12AU7 M8136 Shield & BVA - Click to enlarge photos: Mullard ECC82/12AU7/CV4003 - Click to enlarge photos: Brimar ECC83/12AX7/CV4004 - Click to enlarge photos: 1) Telefunken 12ax7 / ECC83, 17mm SMOOTH, TALL plate. 12AX7 long plates or short plates? Now I need to fill the ECC83 slot and Product Description: RUSSIAN DOUBLE TRIODE TUBE 6N2P-EV. The 12AX7 is a high-gain (typical gain factor 100), low plate current triode, and is therefore best suited for use in the preamplifier (input and mid-level) stages of audio amplifiers, guitar amps , mic preamps etc. The 6N2P (6Н2П) is supposed to be very similar to the ECC83 /12AX7 but it has a slightly different pinning. It was developed around 1946 by RCA engineers [2] in …Bill, another possible use for the unused section of V2 would be for valve reverb. ($20,000+) > 12AX7 vs 12AX7B tube ECC83 is the british name for a 12AX7. Sound differences of preamp tubes in a Carvin Vintage 16 guitar amplifier in V1 position. The tone is balanced with very clear treble response. The Telefunken 803 S may still be it, but I'm simply All - 12AX7, ECC83, 5751 12ax7, Ecc82, ecc81, 5751, 12au7 and many supplied tested and graded (see options on the valve page). I am mainly going to cover 12AX7/ECC83 , 5751 , 12AU7 pre-amp tubes and EL84/6BQ5 , EL34 and 6L6 power tubes, since these are some of the most popular and in demand tubes for guitarists and audiophiles. 95. Oct 28, 2003 · except for the filament-wiring ( 6. Their ECC83 is the most famous ECC83 / 12AX7 ever. My P10 phono stage uses one 12ax7/Ecc83 along with one 6922/Ecc88 & I've tried an hand full of each. 00 -Great choice for the second gain stage and phase inverter positions of Marshall and Vox style amps. They Pulled a microphonic and noisy JJ ECC83 out of a Fender Deville amp today, and replaced it with an EH 12ax7 (had in stock). There is a 12AX7 tube that's right for your gear in our vast selection!Jan 26, 2008 · Jj Ecc83s Vs. The new GT12AX7M is as close to an exact reissue of the original Mullard 12AX7/ECC83 dual triode preamp tube as we could develop. The Carvin Vintage 1 12AX7 is a high gain tube that provides the wonderful tube sound with warmth in harmonics in many tube amps. Was more a wiring technique that somebody will find it useful. It has 12ax7's - Mullard vs Brimar vs Amperex News: Welcome to the new and improved Eden Bass Amps Forum. High Gain, ultra-low microphonics, and superb linearity with a dynamic 3-D sound. I'm asking this because I own preamplifier who use both tubes. Their ECC83 is the most famous ECC83 / 12AX7 ever. In some modern Fender amps substituting a 12AT7 or 12AY7 for the V1 12AX7 can blow the plate resistor, because the lower-gain valves draw slightly more current - but that's because Fender use a 1/2W resistor here. If you really want it to sound good, get an NOS telefunken or Mullard 12AX7 or ECC83 tube, or an RCA or General Electric. This The JJ ECC83-S / 12AX7 tube sports a different plate design than found in most 12AX7’s. Genalex Gold Lion ECC83/B749 is a long plate design. GE 12AX7/ECC83's, 14mm tubes…$75. 12AX7 ECC83 ECC803S E83CC 7025 CV4004 CV492 CV4035 M8137 M8214 6057 tubemonger . Tube Testing ECC83S A. I was surprised that the sovtek lps sounded very close to the nos tubes, well worth it IMO. Made in Russia. 99% of valve amplifier manufacturers use ECC83 (12AX7) as the first preamplifier valve so if it’s good enough for them …. Gold Lion ECC83 delivers full sonic range with excellent articulation. I am curious if there is a big audio quality impact with a swap especially in the phono section; the ECC83's are super quiet hence perhaps a good match for the phono. I play a 400+ and will have to change out the tubes eventually. 6SL7 versus 12AX7 a review!!! - ShiFtY1000 - Tube DIY Asylum I recently got a box of NOS tubes, among them several Mullard and Telefunken ECC83. 3V heater voltage and would need a different wiring than stock 12AX7's. ecc88 (6922) 的局面。 另外,就是新近崛起的 6H30 了。 外表雖相似,卻有不同的特性與優缺點, I am playing around with a Grant Fidelity TubeDac 09 and am wondering if anyone can tell me if I can safely replace the 6N3/5670 Tube with a 12AX7? I would also like to know if the thin wire that surrounds the tube length wise is necessaryor is that there for shipping purposes only? Grant Fidelity imports and sells generic Shuguang tubes as well as their high-end counterparts for amplifier use, the Treasure Series®. Hello Jac. ECC83/12AX7 CHINESE This valve tended to be fitted by all the major amp manufactures when it was in production. I purchased two of the JJ ECC83S tubes from you last year, but not sure what the difference is from the ECC83. Double Triode Quick reference data • Anode current Ia=1,2mA • Transcoductance S=1,6mA/V • Amplification µ=100 Heating I have had many discussions with guitarists everywhere that a ECC83 valve IS NOT a 12AX7 however much the Americans say it is. Groove Tubes GT-ECC83-S Select Vacuum TubeOur highest-gain preamp tube, this tube has a huge amount of gain, with terrific output that makes it a great choice Product Description: RUSSIAN DOUBLE TRIODE TUBE 6N2P-EV. If you are looking for the best tone for your gear, then the RCA 12AX7 is the tube to get. And, I do not see the "S" on your site anymore. Buy JJ 12AX7 / ECC83 Gold Pin Vacuum Tube: Tubes - Amazon. It is one of the best sought after European valves made. They have smooth gray plates, just like the famed Telefunken 12AX7 tubes they were modeled after. ECC83 / ECC803S / 12AX7 ~ ( NOS and New ) 12AX7 / 12AX7A / ECC83 Amperex { Made in Holland } Rare NOS ~ $110. What I am guessing is: > Shop for the JJ Electronics 12AX7 / ECC83 Preamp Vacuum Tube and receive free shipping on your order and the guaranteed lowest price. But different brands can sound a little different, so it’s fun to experiment. On the plus side the valves have good gain and low Highly durable, low-microphonics double triodes, close by characteristics to the 12AX7/ECC83. These are all pin compatable with one another, the only differences being the gain factor of each tube. When you look at them you can’t help but think that they must be rugged 12ax7 ecc83 preamp valves. $49. ECC83 and EL84 amplifier. com FREE DELIVERY possible on eligible purchases I'm not really a NOS tube Guy, they lost to "Cost vs. Similarly, substituting a 12AY7 for a 12AX7 reduces circuit gain by almost half (45%) but nearly doubles the BW. It is a long page, use your scroll button and scroll down the page to see it all. There was a Mullard 12AX7/ECC83 I61 vs I63? If you put each of these in a tube tester and they read EXACT readings in terms of strength and output, what is the tone difference? The 12ax7 is a miniature high-mu twin triode, each section of which has an individual cathode connection. 00 Durable, low noise/microphonic double triode, close by characteristics to the 12AX7/ECC83. The valve can’t do any ‘heavy lifting’ so it’s not man enough for the output stages which drive the speaker. Nov 07, 2018 · Very nice 1960's matching pairs of Philips stamped Electrohome 12AX7/ECC83/7025 tubes These tubes have great sonic detail ,musical tones, and are most sought after for use in pre amp or phono stages/where low noise and balanced sections are desired!Jul 24, 2008 · A good balanced Mullard or Telefunken in the V1 spot in terms of an ECC83/12AX7 tube are both excellent choices if thats the tube type you want in the V1 spot. All these tubes are interchangable and all have the same gain structure