Mesa 12ax7 preamp tubes

Mesa 12ax7 preamp tubes. This great-sounding replacement 12AX7 vacuum tube from PSVANE employs a high-gain, low-plate-current, dual-triode design — exactly what your guitar amplifier is hungering for. 5/5 Stars (29) In Stock Preamp Tube - SPAX7-A. NOS GE is about $40 each. 12AX7s are components, early in the circuit, that determine how clean or, how lush, layered and massive the high gain will be – not to mention all the tonal shades of grey in between like clipped, overdriven and crunch sounds. This is the ultimate preamp tube to use in critical gain stage applications, particularly in first stage/input positions or other high gain stages i. Aurora, CO, United States. FREE Returns. This upgraded reissue of a vintage NOS Tung-Sol 12AX7 yields you superb linearity with a dynamic, three-dimensional sound. This is the ultimate preamp tube to use in critical gain stage applications, particularly in first stage/input positions or other high gain stages in the preamp tube string. One other note about the construction of these The 12AX7 tube, also known as ECC83, is a dual-triode tube commonly used in preamp stages due to its high gain and low noise characteristics. This tube has been a favorite of many professional The Mesa/Boogie SPAX7 12AX7 preamp tube has been specially selected for low noise in high-gain applications, then shrink-wrapped for even more shielding. Many guitar techs here at Sweetwater prefer the Tung-Sol 12AX7 for re-tubing and upgrading guitar amps; however A new take on the classic 12AX7 preamp tube. They possess a smooth and balanced response across the tonal spectrum and are extremely lively, open and expressive. This is the ultimate preamp tube to use in critical gain stage applications, particularly in first stage/input positions or other high gain stages in the preamp tube Javascript must be enabled to use this site. Rocksure Warranty. Best to stick with a Mesa 12AX7 or JJ ECC83s in that location. Overall Condition This Mesa/Boogie SPAX7-A 1. MESA SPAX7 preamp tubes are a premium grade 12AX7 that possess an even higher standard of overall performance due to their incredibly low sensitivity to microphonic noise. Many guitar techs here at Sweetwater prefer the Tung-Sol 12AX7 for re-tubing and upgrading guitar amps; however 12AX7 preamp tubes play a remarkable, dynamic role in the creation of the final tone in your vacuum tube amplifier. First i replaced all preamp tubes with JJ red 12AX7, with a balanced gold JJ 12AX7 for V4, which is the phase splitter/driver. 30-Day Return Policy. Jan 26, 2005 · The bass on the E813CC is not punchy. 00. MESA 12AX7's are premium grade preamp tubes that provide the maximum level of high gain output and overall tonal quality with unsurpassed consistency and reliability - They possess a smooth and balanced response across the tonal spectrum and are extremely lively, open and expressive. Of course, I had to also compare with my favorite Mullard 12AX7, the long-plate f9 type. . Apr 24, 2006 #1. 50 or 150 Watts - Channel Assignable Aug 7, 2023 · Mesa 12ax7 boogie r2 ecc83 pak gen tube customer ratings rated basedMesa/boogie 12ax7 preamp tube Mesa boogie 12ax7-a preamp tubes ecc83Mesa boogie 12ax7-a « tube. You can use almost any 12AX7 preamp tube except for V3 which has a dc coupled Cathode follower tone stack driver. $69. When in doubt, we start with Tung-Sol 12AX7. Add to Cart. I've read a lot about people using lower gain Jul 23, 2021 · Two tubes that sound great. The purpose of this comparison is simply to Preamp Tubes. May 23, 2009 · I am a big gear tweaker. Located early in the circuit, the 12AX7 PSVANE 12AX7/ECC83 Preamp Tube. Get Fast, Free Shipping with Amazon Prime. Add to Wishlist. This preamp tube has been tested for optimum performance, great sound and consistent operation. But don’t let its price give you a wrong impression, these tubes can provide you with a well-balanced tone and high gain. Excellent condition pair of Mesa 12ax7-a preamp tubes. PAIR NEW 12AX7 JJ Electronic 12AX7 / ECC83S Preamp Tube BRAND NEW IN BOXES X 2. Which is what many described the Chinese tubes to sound in their IIC+ amps. Add To Cart. Bizarre Guitar. Ventura County, CA, United States. 2 - Tung Sol 6L6GC Black Plate tube pair with bottom DD getter's w/ copper support rods in the other. The SPAX7-A shows very low sensitivity to microphonic noise — an essential attribute for a preamp tube (especially in high-gain The MESA® 12AT7 is a premium grade, lower gain preamp tube most often used in reverb stages and/or phase inverter positions in older amplifiers. Marshall Branded VLVE-00040 12AX7 / ECC83 Black Logo WK 46 Pre-Amp Tube. Wattages Quick Reference. Tonal Quality: Full-range, dynamic, with high gain capability and low microphonics. wyleeboxer Supporting Member. 95. Power Amp Tubes. (Power tubes would be either Genalex or Mesa-Boggie EL-84's). $139. Shuguang 12AX7-A ECC83 Foil Getter. The integrity and reputation of Mesa amplifiers are mirrored in the excellence of their tubes. Our SPAX7's are a premium grade substitute for the standard 12AX7 - They are a "Special Requirement Preamp Tube" that possess an even higher standard of overall performance than our high-quality 12AX7 due to their incredibly low sensitivity to microphonic noise. Brand New. They have been used to drive audio units for decades and for good reason. Mesa/Boogie SPAX7 preamp tubes are a premium-grade 12AX7 that possess an even higher standard of overall performance due to their incredibly low sensitivity to microphonic noise. Typical price: $32. 12AX7 - ECC83 - 7025 - E83CC - 5751 - CV4004 - EXX803S - IN STOCK - FAST SHIPPING - AUSTRALIA and NEW ZEALAND. Mesa/boogie 12ax7 preamp tube – british audio. JJ Electronics Amplifier Tube – T-12AX7-S-JJ (Editor’s Choice) JJ Electronics Amplifier Tube is the best 12AX7 tube available on the market at the moment. Originally $39. The Psvane ECC83 works well in any ECC83 / 12AX7 position. MESA TUBES - 12AX7 PREAMP TUBE (STR-12AX7-A)12AX7 preamp tubes play a remarkable, dynamic role in the creation of the final tone in your vacuum tube amplif. RCA 12AT7 is about as good as it gets. Mesa 12AX7 Preamp Tube, Premium Grade $ 26. 14-Day Return Policy. Used – Mint. Electro-Harmonix 12AX7 Sino 12AX7-A, B and C SV-12AX7 Svetlana-. Always changing tubes, etc, etc. Genuine Fender Preamp Amp/Amplifier Tube Sockets, 9 Pin, Set of 2 - 002-3606-049. TungSol 12AX7. 00each. Key Features: Model: 750150F. SKU: Sh-12AX7-FG Categories: NOS Preamp Tubes, The 12AX7 ECC83 Tube, The NOS 12AX7 | ECC83 Page Tags: 7025, ECC83, preamp. $99. | Search this page. SKU: 750151F. It's high gain makes it popular in guitar amps, though it's also widely used in HiFi amps, especially in phono stages. 4. Additional information. 5/5 Stars (29) In Stock Jul 23, 2019 · With a gain factor of 70, a 5751 is a popular replacement for a 12AX7, as it reduces the gain of the first preamp stage by around 30 percent compared to a 12AX7, the typical V1 tube. Brand: Mullard. This tube has all the clarity its younger sibling lacks, but still has the family's smooth character. Vacuum Preamplifier Tube, 12AX7 Mullard, Rated Medium. Here at Sweetwater, we've found this tube to offer super-low-noise performance that's completely devoid of cathode-to-filament-induced Mesa Boogie's 12AX7's provide the maximum level of high gain output and overall tonal quality with unsurpassed consistency and reliability. Player's Perspective. Located early in the circuit, the 12AX7 Jul 16, 2018 · 5751 – Gain Factor 70. " According to the manufacturer, this Tungsol 12AX7 is the Ultimate 12AX7. Electro-Harmonix tubes are among the highest quality. It'll work wonderfully as a replacement for a 12AX7. Thanks in advance! Dec 20, 2005 · Psyco has also emailed back with much info regarding tubes. Just do not stick any Russian tubes in that location or you will have issues. These 12AX7/ECC83 preamp tubes are the most popular tubes for guitar amplifier preamps. Big, warm, and musical. The 12AU7 has the smallest, at just 20. These tubes are the starting point for amplifying your sound. View similar gear from other sellers on Reverb Oct 19, 2022 · 1. For less gain, you can replace a 12AX7 with 5751, 12AT7, or a 12AY7. The RFT ECC83 preamp tube is well known as a fantastic hard rock "crunch" tube in Marshalls, Mesa-Boogies, and similar amps. Application: Suitable for all tube amplifiers, optimized for Mesa Boogie amplifiers. 89. 99. GE 12AX7/7025 short plate. About $40 a pair in NOS. 12AX7s are components, early in the circuit, that determine how clean or, how lush, layered and massive the high gain will be – not to mention all the tonal shades of grey in between like clipped, overdriven and crunch sounds The Mesa Boogie 12AX7 Preamp Tube is a premium-grade, high-gain preamplifier tube that provides a smooth and balanced response across the tonal spectrum. With very minute microphonic noise, this tube is great for super loud, super distorted amps. They are slightly darker sounding than many other 12AX7/ECC83 tubes. - One has V30s and the other Eminence Governors both running at 50Ws. Quantity. The Psvane performed better, is richer, thicker, and more complex. Genalex Gold Lion 12AX7/ECC83 Gold Pin Preamp Tube Features: Premium 12AX7 with gold pins. $12. The 12AX7 is by far the most common out of all preamp tubes. The biggest difference between these power tubes is the amount of gain they will provide. Other names for a 12AX7 include ECC83 5751 12DW7 ECC83, ECC82, ECC81, ECC823, ECC832, CV4004. Many guitar techs here at Sweetwater prefer the Tung-Sol 12AX7 for re-tubing and upgrading guitar amps; however MESA SPAX7 preamp tubes are a premium grade 12AX7 that possess an even higher standard of overall performance due to their incredibly low sensitivity to microphonic noise. California Prop 65 Warning. In stock now! Mesa Boogie SPAX7 Preamp Tube - Premium Grade $ 30. RCA and Sylvania first introduced the 12AX7 to the world in the late 1940s. Doug also was helpful in understanding the match quad's for the boogie. - I run a TC Electronic G-System which runs my signal in stereo through ONE of the preamps and through the power section of both of the 2x12 Combos. Used – Excellent. 12AX7 preamp tubes play a remarkable, dynamic role in the creation of the final tone in your vacuum tube amplifier. Recognized as an extremely lively, open, and expressive tube, the 12AX7 is a crucial component in crafting the final tone of your vacuum tube amplifier. East Hampton, NY, United States. Quick Shop Preamp Tube - 12AT7 The Home of Tone®. Free Shipping. The 12AX7 has a gain factor of 100, while the 12AT7 has 60. Rated 4. The MESA® 12AT7 is a premium grade, lower gain preamp tube most often used in reverb stages and/or phase inverter positions in older amplifiers. Yes. This version has a full body, deep bass and pristine highs. The Gold Lion tubes are carefully engineered and crafted in Russia to outperform any tube on the market. I'm the original owner of a Mesa/Boogie Mark III (the fully loaded Simul-class model, green stripe). Price Challenge. The Tung Sol 12AX7 preamp tube has the gain and drive of a Chinese 12AX7 and the pure tone of a Mullard or Brimar. Minneapolis, MN, United States. The tube consists of two sections, each with a cathode, an anode, and a control grid. In stock now! Mesa 6L6 Tubes, STR-441 Matched Pair Duet $ 75. Overview -. New power tubes for 400+ are Svetlana SV6L6GC from "Dougs Tubes" and are performing well. Perfect V2+ Preamp Tube - Good Gain - Tight Deep Bass - Fat Mid-range!! The TAD 12AX7A-C / ECC83 TAD Premium Selected provides very good gain, tight deep bass, fat mids and silky top end with overall definition and brightness. GE must have the dual 12AX7/7025 label. While it uses the same rugged build and thick glass as other JJ preamp tubes, this tube differs in construction from the typical 12AX7 in that it features a medium-long plate, which provides a dynamic and open sound with a rich forward sounding mid range. This tube has a noval base and is praised for its warm and complex sound. The Psvane ECC83 is a high quality, high gain, dual triode. $30. Mesa 6L6 Tubes, STR-445 Matched Pair Duet $ 91. This is a go-to prea Show More. A lot of effort went into the choice of tubes in Subway heads and the TT-800 ships with specific 12AT7’s and the WD-800 ships with one from a different supplier. Our stock was received in bulk packs so we have packaged these ECC83 tubes in our own white boxes. The JJ 12AX7 preamp tube is highly sought after by Price Drop. I also picked up the new Mullard reissue preamp tubes, and will get a chance to try them out soon. Best 12ax7 tubes for guitar, bass, clean tones & more Mullard 12AX7 Russian Preamp Tube. Profklamen10-24-2007, 10:44 AM I've just started playing with switching around preamp tubes - I'm aware that they have different amounts of gain, and that each tube has different tonal qualities. From Mesa Boogie: Our 12AX7's provide the maximum level of high gain output and overall tonal quality with unsurpassed consistency and reliability. 94 out of 5 based on 49 customer ratings. Tube Depot carries a selection of 12AX7 / ECC83 / 7025 / CV4004 Pre Amp Vacuum Tubes. Mesa/Boogie 12AX7 Preamp Tube Replacement 12AX7 Preamplifier Tube, Providing High-gain Output and Balanced Tonal Response $26. West Chester, PA, United States. $32. Understanding the internal structure of the tube is essential to comprehend its circuitry. All our Fender and Marshall Tube Sets use Tung-Sol The Mesa Boogie Triple Rectifier Tube Set consists of 5 x 12AX7 preamp tubes, 6 x 6L6 or EL34 power tubes, and 3 x 5U4G rectifier tubes. Both the 12Ax7A and 12Ax7 tube amps have eight pins, so the differences are quite noticeable. The Psvane Classic Series is focused on the reproduction of popular vacuum tubes found in classic audio equipment. Tube Type: 12AX7 Preamp Tube. Mesa Boogie Power Tubes 6L6 STR 448 Matched Pair. Recognized as an extremely lively, open and expressive tube, the 12AX7 is a crucial component in crafting the final tone of your vacuum tube amplifier. Sweetwater is very proud to offer you these top-of-the-line vacuum tubes. Phillips-JAN-12AX7 (NOS) This time I bought four 12AX7-A mesa home to see if they sort it possible to obtain excellent sound quality lamps. Here's my findings, for both preamp and power amp tweaking; Preamp: I had read the reviews about reduced hum, noise, etc, by switching out the stock Mesa tubes. New & NOS tubes from Tung-Sol, Electro-Harmonix, JJ & more! Description:MESA 12AX7's are premium grade preamp tubes that provide the maximum level of high gain output and overall tonal quality with unsurpassed consistency and reliability - They possess a smooth and balanced response across the tonal spectrum and are extremely lively, open and expressive. This tube offers low noise and low microphonics. 51% price drop. Other NOS Treasures 12AX7 Types. Jan 1, 2024 · The preamp uses all 12AX7 tubes. High gain, low noise. This piece of gear has sold. Stock preamp tube for all MESA/Boogie Guitar & Bass Amps, Preamps, Power Amps, V1 The Tung-Sol 12AX7 is a premium dual-triode preamp tube that's tailor-made for high-gain guitar amplifiers. You can mix them in an amplifier any way you like to find the right sound. -Mullard reissue. I moved the EH to V3 replacing a Bugera 12AX7C and put the Tung-Sol in V1; I couldn't say that there was any noticeable improvement or difference but my amp Mesa/Boogie 12AX7 Preamp Tube Replacement 12AX7 Preamplifier Tube, Providing High-gain Output and Balanced Tonal Response $26. Dec 3, 2019 · In my experience, most players will find little improvement in tube rolling as long as the original is good. Rich67, agedhorse, DJ Bebop and 4 others like this. I'd like to replace all the tubes and I'm leaning toward just ordering straight from Mesa (the 6L6's are $42 per pair and the 12AX7's are $16 each - ~$150 total The ultimate preamp tube to use in all critical gain stage positions. It was fizzy sounding. Sep 21, 2023 · Amp tube 12at7 mesa boogie pre individual tubes hardware power parts shop Boogie 12at7 preamp stageshop Preamp ecc83 boogie 12ax7 mesa tube. 6x Mesa 6L6 (or EL-34) Maintenance Free Fixed Bias. Mesa/Boogie 12AX7 Preamp Tube. 49. The 12AX7 commonly known as an ECC83 would have to be the most widely used tube in existence. 12AX7 is an American designator, while ECC83 is British. Mar 9, 2000 · Mesa Boogie 12AX7 for preamp tube, anygood? Discussion in 'Amps and Cabs [BG]' started by wyleeboxer, Apr 24, 2006. A Comparison of Current Production 12AX7 Tubes. They are components that appear early in the circuit that determine how clean, lush, layered or massive the high gain will be, as well as all the tonal shades such as clipped, overdriven, and crunchy. Sovtek 5751 Tube. High Gain, ultra-low microphonics, and superb linearity with a dynamic 3-D sound. 89 (17% price drop) $39. Engineered, designed, and manufactured to exacting standards for musicality and overall warmth, you can trust an Electro-Harmonix tube to deliver premium tone. I got one of the long plate, and one of the small plate versions. And to my great disappointment, not 12AT7 PREAMP TUBES. Compared to others, it has a noticeable high-end performance. The 12Ax7A preamp tube gives the highest gain and better tonal quality. -9% $2991. As for the Jul 2, 2007 · Posted July 2, 2007. One of the most popular swaps, a 5751 will reduce the gain of your first preamp stage by around 30 percent, which can often be enough to tame a fizzy overdrive tone without sacrificing too much of the power and muscularity from the amp's overall sound. 2 NOS RCA 12AX7 Black Plate Vintage Vacuum Tubes - Perfect for Fender Tweed Amps. Much more open sounding than the Blackburn I63, and certainly more so than the E813CC. Feb 21, 2023 · Rated 4. This premium product is considered a "special requirement preamp tube" because of its build quality and performance. 12AX7 ECC83 5751 7025. It’s been over twenty years, two generations of guitarists and several musical trend-cycles since the Dual Rectifier® first unleashed its crushing wall of gain on radio. They provide the maximum level of high gain output with low sensitivity to microphonic noise while producing a balanced response across the tonal spectrum that is extremely lively Mesa Boogie 12AX7 Tube 2010s - Glass - Authorized Dealer. The Mesa Boogie 12AX7 Preamp Tube is a premium-grade, high-gain preamplifier tube that provides a smooth and balanced response across the tonal spectrum. Located early in the circuit, the 12AX7 Links to more about MESA Tubes: Why should you only use MESA/Boogie® tubes in MESA amps? Preamp Tube - 12AX7 $26. It is used in older MESA/Boogie® designs (MESA amps built before 1991) as a reverb driver stage, but the 12AT7 can also be substituted in 12AX7 gain stages where users are seeking SPAX7. The Tung-Sol 12AX7 is a premium dual-triode preamp tube that's tailor-made for high-gain guitar amplifiers. MESA® preamp tubes are among the highest quality available and selected for their exceptional full-range tonal quality, stability, low noise and low microphonics. More Details. Also known as the ECC83 or the 7025, it is a dual triode tube that has the highest voltage gain of all preamp tubes, with a mu of 100. Tung-Sol 12AX7 is a great all-rounder that delivers good gain without washing out the fine details and textures. Mesa Boogie 6L6 Power Tubes 5881 STR 425 Matched Pair 750881D. Stevie Ray Vaughan was known to use 5751 preamp tubes to coax a firmer crunch from his vintage Fender amps. Sep 23, 2023 · I did try the Mesa Chinese (Beijing Square Foil Getter 12AX7 - aka 6N4-J Military grade) tubes in the JP while I had the STR440 tubes in it. Pre-amp tubes may be original and Psy also recommends the Tung-Sol's. Our price. TungSol 12AX7 is our go-to tube for guitar amps. Selected with balanced systems and recommended for guitar amps to improve overall response. They do sound somewhat dark compared to other tubes, but some like that. It is used in older MESA/Boogie® designs (MESA amps built before 1991) as a reverb driver stage, but the 12AT7 can also be substituted in 12AX7 gain stages where users are seeking lower gain response Feb 20, 2023 · Mesa/Boogie 12AX7 is the best cheap option among other tubes on this list. Black and grey plate are reported to sound the same. A Chinese 7025 or 12AX7 may do ok there too. Top-quality preamp tubes from a legendary manufacturer. Nov 24, 2023 · 12AX7/ECC83 Preamp Tube with Gold Pins. Widely used across guitar amplifiers and hi-fi applications. NOS Sylvania Black Plate 12AX7/ECC83 Fuzz Audio Premium Vintage Vacuum Tubes for Guitar and Hifi. Genalex Gold Lion vacuum tubes are legendary in the guitar and hi-fi audio industry for their power, clarity, resistance to feedback, and much more. 12AX7s are components, early in the circuit, that determine how clean or, how lush, layered and massive the high gain will be -- not to mention all the tonal shades of grey in between, like clipped, overdriven and Description:MESA 12AX7's are premium grade preamp tubes that provide the maximum level of high gain output and overall tonal quality with unsurpassed consistency and reliability - They possess a smooth and balanced response across the tonal spectrum and are extremely lively, open and expressive. 5x Mesa 12AX7. The STR440 tubes will sound fizzy to some extent so probably pairing those with the old Mesa preamp tubes Genuine Fender Champion 600 Replacement 12AX7 Preamp Vacuum Tube. Thus unknown tube is better than $150 Mullard 12AX7 long plate. Therefore, you get a broad-spectrum, expressive tone with clean and controlled frequency response. I replaced the stock Russian Groove Tube 12AX7 in V1 of my Fender Princeton 65 Reverb Reissue with an EH 12AX7; a noticeable improvement - smoother, less harsh, deeper bass, fuller etc. PAIR - JJ Electronic 12AX7 / ECC83S Preamp Tubes, NEW Set of 2 Tubes. I moved the EH to V3 replacing a Bugera 12AX7C and put the Tung-Sol in V1; I couldn't say that there was any noticeable improvement or difference but my amp Jul 23, 2019 · With a gain factor of 70, a 5751 is a popular replacement for a 12AX7, as it reduces the gain of the first preamp stage by around 30 percent compared to a 12AX7, the typical V1 tube. Experimentation is key. This is considered to be a pro-quality, reliable preamp tube that, according to the manufacturer, offers you a smooth and balanced tonal response Manufacturer's Description from Mesa Boogie. When designing the Classic Series 14-Day Return Policy. Great Additions. Mesa/Boogie takes pride in their tubes. Some will sound brighter or darker than others. 49, now $32. Mesa Boogie Pre-Amp Tube - 12AX7. The Mesa 12AX7 preamp tube plays a remarkable, dynamic role in the overall tone of your amp. The lower gain of the 12AT7 and 12AU7 also allows them to have a higher headroom, which can provide a warmer The Mesa/Boogie SPAX7-A preamp tube makes the ultimate replacement tube for any 12AX7A in your amp. $39. Check Details. Description. The PSVANE 12AX7-S is an amazing tube for musical instruments and HIFI Applications. Aug 7, 2023 · Mesa 12ax7 boogie r2 ecc83 pak gen tube customer ratings rated basedMesa/boogie 12ax7 preamp tube Mesa boogie 12ax7-a preamp tubes ecc83Mesa boogie 12ax7-a « tube. MESA® SPAX7 preamp tubes are a premium grade 12AX7 that possess an even higher standard of overall performance due to their incredibly low sensitivity to microphonic noise. $120. 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. 12AX7s are components, early in the circuit, that determine how clean or, how lush, layered and massive the high gain will be – not to mention all the tonal shades of grey in between like clipped Mar 19, 2011 · Sovtek 12AX7-WA, WB, WC and LPS -JJ/Tesla ECC83 and ECC803s and the gold pin versions. $79. Sep 15, 2020 · 12AX7 vs 12AT7 vs 12AU7: Differences Explained. Boogie 12at7Mesa boogie str-12 12ax7-a (ecc 83) preamp tubes (2) Mesa boogie 12ax7 preamp tubeMesa plate long boogie ecc83 customer reviews. Harvey, LA, United States. They provide the maximum level of high gain output with low sensitivity to microphonic noise while producing a balanced response across the tonal spectrum that is The Tung-Sol 12AX7 is a premium dual-triode preamp tube that's tailor-made for high-gain guitar amplifiers. Reno, NV, United States (6,238) 10,000 sales since 2014. What do you recommend? Any help would be appreciated, I'm kind of at a loss as to what to choose. Out of stock. TungSol 12AX7 handles everything from vintage rock to a clean tone sound. Eligible for Return, Refund or Replacement within 30 days of receipt. . B9A indirectly heated twin triode is one of the most popular pre amp valves around. The MESA/Boogie 12AX7 preamp tube is a premium-grade, high-gain preamplifier tube that provides a smooth and balanced response across the tonal spectrum. 17% price drop. PSVANE 12AX7-S. The T-12AX7-S-JJ vacuum tube from JJ Electronics comes as an immensely versatile preamp tube, compatible with hi-fi and guitar amps. Best 12ax7 tubes for guitar, bass, clean tones & more Dec 12, 2008 · Mullard 12AX7 Preamp Vacuum Tube, Single. ( 49 customer reviews) $ 36. 12AX7 and ECC83 tubes are identical and are directly interchangeable. 2 "Test NOS" RCA 12AX7 Black Plate Vintage Vacuum Tubes - Perfect for Fender Tweed Amps. 59. 5 149 ratings. These premium vacuum tubes make great replacement Jun 1, 2020 · I've narrowed down the preamp tubes to a Genalex Gold Lion 12AX7 Gold Pin Preamp Tube or maybe the Mesa-Boogie 12AX7 Preamp Tubes. It's been my main amp for the better part of the last 15 years. Your amp friend, ~ Andrew Okincha . I ended up sticking to my 12AX7 tube but that’s just my taste. Sweet Mazda MIL-spec 12AX7 ECC83 Short Gray Ladder Plate Vacuum Preamp Tube - France 1967. In stock now! Mesa EL84 Tubes - 6BQ5 EL84 Duet $ 61. May 27, 2007 #15. Jun 26, 2017 · JJ ECC83S: Mesa Boogie's current choice for 12AX7 tubes. Mar 12, 2024 · Let’s talk a little more about the 12Ax7 tube amp’s gain. Ask an Expert. hw vx ud bx hh no zo yo td mh