12bh7 tube review. Additional Information and Downloads.

12bh7 tube review 1 (8 votes, average: 3. Home. and the EL84 but also made the plates to assemble for Ton-sol back then. F. A maximum of reliability with outstanding tonal quality makes the new balanced selected TAD 12BH7A REDBASE the first choice for Ampeg SVT´s, the Blackstar HT-5, Marshall DSL5, certain Hammond organs and all Randy : The Thor stuff is great . Read reviews from our customers. " The ones that are marked red is NOT a direct (drop-in) substitute. 3. 95, now $29. tdbajus PAT. Recently downsized but feel free to PM me anytime. # 2. Blackplate tubes like the NOS RCA 6L6GC are said to be the best ever made. Vintage 12BH7A Tube Tests Strong. Out of all of them only WH could keep up with RCA 12au7 black plates slanted getter. Shipping: Tube Type / Number: 12BH7A Actual Brand*: Sylvania Printed Brand: Video Quantity: 1 Piece-Single Matching Date Codes? No Plate Construction: Black Oval The JJ 12BH7A tube is a premium driver tube in Hi-fi tube amps and is a suitable replacement for any 12BH7 tube circuits, Essentially this a double triode tube that is a pin for pin compatible with the ECC81, ECC82, ECC83 tube series. Description. 0 out of 5 stars : Best Sellers Rank #37,177 in Musical Instruments (See SYLVANIA (USA) 12BH7A double triode, NOS Service/Help Shop / Sales / Order processing Description Reviews 0. 6 x 4 x 2 inches : ASIN : B07MKLN2PG : Item model number : Pair Electro-Harmonix 12BH7 Gold : Customer Reviews: 5. Actually the Raytheon 5755 is the closest. Direct Replacement or Higher Quality. Other JJ Electronics tubes. Sep 7, 2006 #9 Y'all broke me down. 4. 0 Reviews 1. 50 out of 5 based on 2 reviews 60carlover - January 22nd, 2023 . This tube is a great choice for Ampeg SVT amps and the Blackstar HT-5 plus many 12BH7 12BH7A 7032 VALVES MELBOURNE AUSTRALIA - THE VALVE STORE 12BH7 12BH7A 7032 - Nine pin medium MU twin triode. Under the right conditions these bad boys will last another 70 years!Use black plates for extra low end and warmth. The stereo amps used two, the mono amps one. HELP 1-877 12BH7 Tubes; 12DW7 | 7247 Tubes; 6922 | E88CC Tubes; 6AQ8 | ECC85 Tubes; 6C4 | M8080 Tubes; 6CG7 | 6FQ7 Tubes; A. So, being kind of stuck not able to use a separate phono tube, from experience phono performs better with a brighter and accurate tube. Impressions are welcome. Will work in place of: 12BH7, 12BH7A, 6913 Testing and/or Matching At VIVA TUBES, all of our This Genelex Gold Lion B759 / ECC83 / 12AX7 tube has been designed to provide solid low end response with an articulate midrange & warm high end tone. -Aaron 12BH7 Page 1 of 4 Telephone: +381 18 550 741 12BH7 is A. • New design of excellent quality • Relabeled Electro-Harmonix vacuum tubes are used by many OEMs in their amplifiers. SandAndGlass, Mar 26, 2017 #29. 12bh7 vacuum tube. These are also available Balanced and matched in pairs or multiples. A similar tube in its level of gain as a 12AU7. UPC/EAN: 609722129770. Either tube should work fine. Qualified orders over $99 will ship to you without incurring a shipping fee. Read, write and discuss reviews more. Some of the info I've read says you can substitue a 12bh7 for a 12au7 but you Explore Ray Tubes' comprehensive tube compatibility list to find the perfect vacuum tubes for your audiophile gear. There is a reason major brands such as Fender and Marshall come Elekit TU-8900 2A3\300B Single Ended DHT Tube Amp - Build, Impressions, and Review. This makes it ideal as a driver for power tubes in modern tube audio amplifiers. There are too many variables to give you a specific opinion. The Cleartops had good pace,but lacked the openness and transparency of the Sylvania 12bh7a's. 12AT7's 2. I order two Hitachi Monday. Was: $69. Review By Greg Weaver of Enjoy the Music. The 12bh7 should work fine as long as the amp can handle the additional heater current draw of the 12bh7 tube. My favorite phono tube is Brimar CV-4004 box plate. Reactions: fxer1982. Be the first to review “GE 12BH7A” Cancel reply. Electro-Harmonix 12BH7, Tung-Sol 7591A. A tube that has the heaters, plates, grids, etc. Tube Reviews. 4 out of 5 stars : Best Sellers Rank The Electro-Harmonix 12BH7 vacuum tube is a brand new pre-amp tube that is made in Russia. 5. A whole evening. Big warning for Hickok tube testers. The 12AY7 and 6072 are the tube designations for a dual triode with medium gain that shares the same pin-out configuration as the 12AX7 and its variants. Posted by JJ Triode (A) on March 11, 2005 at 13:00:31 I just put a pair of ECC99's into the linestage of my Wright Sound WPL11 preamp. 90. Purchase Genalex - Gold Lion ECC83 / B759 preamp vacuum tubes in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. Vacuum Tube - 12AU7A / ECC82, Tube Amp Doctor, Premium Selected. So far I found that the one 12au7 slot (the others are three 5751 or 12ax7 positions, and two EF86 positions) is sensitive to tube changes (sound quality), and I have recently been trying out what 12au7s I had on hand and some I just purchased. NIB - New In (original) Box From €84. By clicking Subscribe, I agree to receive exclusive offers & promotions, news & reviews, I worked on many tube designs at the western electric plant . Lean grey plates for less noise and definition of tone. 12AX7 Tube Reviews; 6L6 / 5881 Tube Reviews; EL34 Tube Reviews; EL84 Tube Reviews; 6V6 Tube Reviews; KT66 Tube Reviews The all-new TAD 12BH7A REDBASE combines the best sonic and mechanical performance of the NOS RCA black plate with advantages of the GE version. 12at7a tube. It features long plates for high current capacity and thick glass for lower microphonics. 12BH7 Tube is capable of driving plenty of current with low distortion. Are these all from military production runs? I have found Yellow print 12BH7 is an interesting tube. Built with 12AT7WC and 12BH7 dual-triode vacuum tube, the T25 represents a new direction in API's line of compressors. to /r/AMD — the subreddit for all things AMD; come talk about Category Archives: 12bh7. Brand new, tested and guaranteed, the JJ 12BH7-A preamp tube is a great choice for Ampeg SVT amps and the Blackstar HT-5 plus many others. Double Triode Quick reference data • Anode current Ia=11,5mA • Transcoductance S=3,1mA/V • Amplification µ=16,5 Heating Heating is indirect by AC or DC, with serial or parallel supply. Prix intéressants et livraison ultra rapide. d) $60 (NIB) Mullard (Also labelled as Telefunken, Valvo and GEC) CV2984 6080WA [Dual Halo Getters]: Marketed as having the same sound as the GEC A1834/CV2523. Newsletter Shipping Right of revocation Allmost any circuit that has called for a 12AU7 and I sub in a 12BH7 has been improved quite a bit or at least the 12BH7 was the better sounding tube, IMHO. We can do matched sets up to 6 tubes! Tube 12BH7 or Röhre 12BH7 ID5310, Double Triode, Noval, 9 pin miniature (USA pico-9) B9A and Universal shown. G. 4 out of 5 report this; The 12BH7 is an odd tube for sure, but this one sounds good! Customers who purchased this item also bought. ECC82, ECC802, E80CC*, E82CC, E2163, B749, B329, CV491, CV4003, M8136 The best 12BH7 tube variant, the RCA is known for its great sound and longevity. Disabled Account. Home Forums > Discussions > Audio Hardware > 12AX7 Tubes - My Tests. Availability: In Stock: Item: 12BH7EH: Superior medium-mu twin triode driver tube for hifi use. Price Drop. Further study reveals that the ECC99 has higher transconductance Sylvania 12BH7A Grey Rounded Plate Dual Triode Preamp Tube NOS Amplitrex/TV7 Tested CALIFORNIA PROPOSITION 65 WARNING WARNING:Cancer and Reproductive Harm-www. It gives a very warm sound with excellent drive control. Additional information. The only difference between the two is that the heater of the 12BH7A is designed for use in series-string heater circuits in TV sets (the tube was used as a vertical oscillator/output tube in TV's, as well in other applications). Amplifier Hardware; 12AU7 (mu: 17): Released – October, 1946. There are some good 12au7/5814a's like the early 1950's Raytheon and Hytron D getter, 2 mica tubes. All 6 Volt - Mini; 6AQ8 - ECC85 - 6BQ7 - 6N1P; 5687 - 6900 - 7119 - 7044; 6AK5 - 5654 - 6096 -EF95; 6H30Pi - 6C45Pi (Tesla) 12AX7 / ECC83S Vacuum Tube The JJ 12AX7 / ECC83S tubes are one of the most popular new production 12AX7s ever made. Be the first to review “Raytheon 12BH7A” Cancel reply. I'm wondering if there are any drop-in 5751 replacement in the preamp tube position will give more headroom. The new TAD 12BH7A is an alternative for the TAD 12BH7A-STR in a more compact design (less high) and slightly higher gain. 12AX7 Tube Seller Reviews (19,696) Similar Listings. FAQ The Electro Harmonix 12BH7 EH Preamp Vacuum Tube is the Russian version of the 12BH7A. Book reviews & recommendations IMDb Movies, TV & Celebrities IMDbPro Get Info Entertainment Professionals Need Kindle Direct Publishing Zen Cart! 12BH7A Medium-Mu Twin Triode Tube [VT-12BH7A] - Sylvania, RCA, Rogers or Marconi 12BH7A tube, new old stock in original box. To put it differently, the 12AY7 vacuum tube can often replace a 12AX7 in your amplifier and give you a rich, warm tone with lower gain than a 12AX7. Be the first to review “Sylvania 12BH7” Cancel reply. The first box includes a pair of smaller individual tube boxes, which each then include a smaller box with a cardboard support cutout to keep the tube Add a review. Great replacement for any tube in 12a?7 family if your amp can handle increase heater current (600 mA ) The heater current draw of the 12bh7 is twice that of the 12au7 . New & NOS pre amp compatible tubes from Electro-Harmonix and other various brands! HiFi Tube Amp Kits; Elekit TU-8150 Stereo Tube Amplifier Kit; Elekit TU-8185 Stereo Tube Amplifier Kit; Elekit TU-8200 Optional DAC Module PS-3249; I personally like the 12bh7 better than all the 12au7's I have tried. The Electro-Harmonix 12BH7 tube is a brand new pre-amp tube that is made in Russia. Review Subject Required. 5 watts of dissipation per plate. Seller Reviews (29) Similar Listings. Seller Reviews (233) Similar Listings. Tested and guaranteed 30 days. 3ma and 6. Weight: 2 oz: Dimensions: 4 × 1 × 1 in: Reviews There are no reviews yet. golana analog. F. Mar 14, 2009 #4 GordonW said: One thing I did while building is to use separate cathode resistors on the 12BH7 so the two halves of the tube could operate independently. The top end is silky and pleasant, without being rolled-off. NOS NIB GE 12BH7A JAN Tube USA 1965 Microphone Preamp La2A Compressor. Additional Information and Downloads. Tags: Victor offers the Sylvania 12BH7A and the Brimar CV4003 (12AU7). Malmsteen Review – Shuguang 12AX7B Tube December 4, 2022; Review – Tungsram ECC83 / 12AX7 Tube December 2, 2022; Review – Electro-Harmonix 7025 Tube December 2, 2022; Review – Shuguang 12AX7A Tube December 2, 2022; Review – JAN-GE 12AX7WA Tube December 2, 2022; Review – Preferred Series 12AX7 Tube November 11, 2022; Review – USA 12BH7's are much sturdier than any modern tube made today, and they sound better too. I see many Sylvania 12BH7A tubes with green print. Condition*: NOS Welcome to Fuzz Audio - Please Read Our Shipping Terms, Our Testing Standards, Our Return Policy (30 Day) and Our 1000+ Great Reviews!. 3V. 12ax7a vacuum tube. We have 30 years in the industry so you are in very safe hands. Sorry for blurry pictures my camera lens is scratched, second picture a little clearer. 12AX7 is another matter entirely. Keywords: Someone review this tube for me if you have one II. Radio tubes are valves. 12BH7 was designed as a driver in TV sets. Find reviews, data sheets and specs to upgrade your tube amplifier. Compare Remember Part Number: S12BH7-RCA. But, used as a phase inverter in many amplifiers the high distortion does not show up much vs being used as an amplifier tube. Great replacement for any tube in 12a?7 family if your amp can handle increase heater current (600 mA ) JJ-ECC99 vs. I tried CBS 12BH7, RCA 5963, WH 12au7, Raytheon 6414. This tube took place in driver stage of my amp for now – until I find something better 🙂 Category Archives: 12bh7. $56. 15 Tube manufacturers outsourced with each other either making the parts or the whole tube. Price: Now: $62. 99. The Psvane Classic Series is focused on the reproduction of The Electro-Harmonix 12BH7A is modeled after the famous GE Grey Box Plate 12BH7. Skip to; Main content; Keyboard shortcuts Search. Originally $34. RoHS Compliant In my opinion the 12BH7 will sound much better than the 12Au7. EH 12BH7 GOLD Electro Harmonix this is the gold-pin version of the EH 12BH7 Tube Type: 12BH7: Socket: 9 Pin(Noval) Reviews 0. 5W vs. I really like how The 12BH7 tube is a double triode in one envelope with a 9 pin base. However, even if the pin-out is the same, the other factor is the electrical characteristics need to be fairly similar for a tube substitute to work. They draw more current than 12AU7s and therefore don't work when the power supply can't provide the additional current. References: Data-sheet & 1040. This makes it ideal as a driver for power tubes in modern tube audio There is never a need to speculate whether two tubes are compatible or equivalent. 12BH7 Tubes; 12DW7 | 7247 Tubes; 6922 | E88CC Tubes; 6AQ8 The best reviewed KT88's are the Psvane KT88-TII, similar to vintage Mullard's, but they run $185/matched pair. New Gain Tested Electro-Harmonix 12BH7 Vacuum Tube The newly produced Electro-Harmonix 12BH7 boasts twin triodes with 3. Close menu Customer evaluation for "EH 12BH7 GOLD Electro Harmonix" Write an evaluation Please verify your testimonial by clicking on the link sent to your email after Large Selection of 12BH7 tubes. Your 12bh7a tube. Data for almost any tube is available here: Electron Tubes Data Sheets Reviewing the data sheets for the 12BH7 and the ECC99 it is clear that the pinouts are the same but the 12BH7 draws less heater current. a similar sound but the Raytheon is a tad more forward/transparent and more dynamic and exciting than the CBS in both tube types. Bugera 12BH7-A Preamp Tube New! Brand Review Subject Required. By my count we have the Sovtek 5751, Sovtek 12AX7 LPS, Mullard and now the Gold Lion Title: 12BH7 Author: Tung-Sol Subject: JA-FP-2005-11-20 Created Date: 11/20/2005 12:07:00 PM Brent Jesse in his tube reviews says this: Like a warm British jacket of the finest tweed, these glorious tubes have an attractive sweet warmth in their midrange and lower regions. Originally the valve was designed for use in television vertical deflection stages as well as a Class A voltage amplifier. 4 4. 0 5. Add to Cart. Steve Hoffman Music Forums. All 12BH7 tubes are tested properly under simulated amplifier conditions. Price is for a Single Tube 12BH7 Tubes; 12DW7 | 7247 Tubes; 6922 | E88CC Tubes; 6AQ8 | ECC85 Tubes; 6C4 | M8080 Tubes With updated equipment and quality control improvements they are now one of the worlds largest tube manufactures supplying many of the OEM amplifier manufacturers and most of the boutique tube brands from around the world. Posted on May 9, 2012 by tubemaze. HELP 1-877 Replaces 12BH7 and 12BH7A preamp vacuum tube types. Pin Connections Lately I've been doing some tube rolling with my new Adagio phono preamp by Tavish Design. 63 out of 5) Great set of 12BH7 reviews here. For a fraction of the cost Does anyone know if a hammond 290ax transformer can handle a 12bh7 tube. 12ax7b tube. All Russian At this point in time, the range already includes 6L6GCM, 6L6WGC(5881), 6V6GT, EL34, EL84, 12BH7A, ECC82/12AU7, 5U4G and GZ34 tubes. Substitutes: 12DW7, 12AU7, 12AZ7 EIA Base: 9A Filament Voltage: 6. Building, troubleshooting and testing of these amplifiers should only be My current dilemma is that I notice that the 12BH7 has a high grid resistance when used in vertical deflection mode while it has a low grid resistance in class A. These tubes have different amplification factors. Both on the same set up, they both had around 45 minutes to warm up and we used the same turntable and cart and played the same recordings, ranging from Rock (Van Halen Belman 2015 remasters, Yngwie J. GE 12BH7A Grey Box Plate Dual Triode Preamp Tube NOS Amplitrex/TV7 Tested CALIFORNIA PROPOSITION 65 WARNING WARNING:Cancer and Reproductive Harm-www. 4 out of 5 stars 21 ratings. A maximum of reliability with outstanding tonal quality makes the new balanced selected TAD 12BH7A REDBASE the first choice for With 16 years of experience in the tube sector, our team is empowered by many seasoned experts. The 12BH7A heaters will pull . A lot of folks seem to prefer the RCA examples the most. The JJ 12BH7-A preamp tube can be used in place of any 12BH7 vacuum tube. 5"D) in PP instead of SE after reading a posted suggestion to use a 12AT7 instead of a 12AX7 as a power tube. Close menu Customer Just for info ,I tried the RCA 12au7 Cleartops in place of the Sylvania 12bh7a's ( Thor Audio Monoblocks ) and found the RCA 12au7 Cleartops to be Darker and more muted and didn't sonically work well in the 12bh7a position for me. Nos tubes garantissent un son impressionnant. com's Superior Audio Audiophile Music and Equipment Review Magazine Output is one pair of 12BH7 supplied - may sub ECC82/5963 JAN. Assorted NOS 12BH7 brands in stock. 6 amp in 6. jj-electronic. 875" to the standing 12BH7 Tube is capable of driving plenty of current with low distortion. Regards, Gordon. Thousands of valves in stock. (plate curve lower pix). This Genelex Gold Lion B759 / ECC83 / 12AX7 tube has been designed to provide solid low end response with an articulate midrange & warm high end tone. I replaced a JJ in my phase inverter socket with this tube. However, its not listed as a preferred substitute which means in some circuits the 12au7 and 12bh7 will not be compatible. NOS NIB SYLVANIA 12BH7A CLOSE BALANCED MAXI PREAMP TESTED. Comments Required. 3 volt parallel operation. 14 USD / EACH. TAD expanded the Blackplate design for EL34, El84, 6550 and KT88. Neither tube is particularly linear, but if those are the two choices then pick the 12AT7 as a voltage amplifier and the 12BH7 as a driver tube. to /r/AMD — the subreddit for all things AMD; come talk about Ryzen, Radeon, Zen4, RDNA3, EPYC, Threadripper, rumors, reviews, news and more. It is not that bad as seen on the plate curves below (top pix), but not near as linear as a stellar 6P5 tube (middle pix). Brand New. All our preamp tubes are stringently tested for noise and microphonics using Amplitrex testers driving an external amp. Buy JAN Philips ECG 5814A / 12AU7 vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. Comments Description. The ones that Well, I think I just found the ideal 12AU7 preamp tube for my C-J PV12, but before I disclose it, I'm curious, those of you that use this tube, what's your Home. 95 (15% price drop) $34. EI/Tesla had RCA make their EL34. Price is for a Single Tube. All of our valves are carefully selected, fully tested and digitally graded before we ship to you. /r/AMD is community run If I have NOS (in their original boxes) Matsushita 12AX7A and 12AU7 (6+2, 3 sets of these in total for my EAR 834 "clone" Phono pream) which sound great and are dead quiet, 4 Hitachi 7025, 2 Hitachi 12AX7, two sets of Hit Ray 12AX7A (dead quiet and very smooth sounding, I love them) plus 12AU7 (12AX7A x4, 12AU7 x2) and one set of Toshiba 12AX7 x2 One thing I did while building is to use separate cathode resistors on the 12BH7 so the two halves of the tube could operate independently. Discussion in 'Headphone Amplifiers and Combo (DAC/Amp) Units' started by Maven86, Oct 19, 2021. ] Top. Decrease Quantity of Tests NOS Vintage Tung-Sol USA 12BH7A Black OVAL Plate Top O Get Tube Increase Quantity of Tests NOS Vintage Tung-Sol USA 12BH7A Black OVAL Plate Top O Get Tube. 12BH7A Sylvania NOS pinched plates "O" getter halo yellow printing same date codes 1950's in tan military boxes . 3 volt circuit) Buy Electro-Harmonix 12BH7 Gold Pin Pre-amp Vacuum Tube: Tubes - Amazon. 6ma of heater curren and 6. I used to live near curent Ted, ( Thor Audio owner ) before he moved to Texas . Be The First To Review This Product! Help other Evatco users shop smarter by writing reviews for products The 12BH7A is electrically identical to the 12BH7. The best choice for Fender, Marshall 1959 2203, Mesa Boogie, I have a small amp that uses a 12BH7 dual triode as a push-pull power stage. 3 in a 6. I played this in one of my custom stereos and it was totally quiet in the phase inverter. 375 x 4. or would collectively engineer a tube and one manufacturer make them all. Forums. I was actually waiting on your Raytheon 12BH7 review before purchasing some as often is the case with tubes another better one comes along when you find a different series, year, etc. P-3 Sources Keywords: Someone review this tube for me if you have one II. 95 Each Quantity Pricing Available Shuguang 12AX7B Vacuum Tube . I'd love a tube that has the creamy midrange presence of the old I had started considering a Champ-style size & power combo (14"H x 14. the best 12AU7 is a 12BH7, though. Pretty boring as a description goes. See also 1950 adverts. 5W might be more suitable. Skip to content Home What My Customers Say Wishlist Products search Stock Pré-ampli lampe / tube 12BH7A. Its a matter of personal choice. Commonly found in Hammond organs and tone cabinets. Introducing the PSVANE 12BH7-AT, a power pentode vacuum tube designed for the ultimate audio experience. Viewed Shop service. 0 out of 5 stars 5 ratings. The First focused on the 6J1 tube and the Ta-02 and Ta-05 amplifiers. Gear. EH-12BH7 first impression. The TungSol 12BH7A is a quality tube perfect for your application. If I had an amp with 12AU7, I would sub a 6CG7 tube. 6V Filament Current: 600mA or 300mA Triode (1) The Psvane 12BH7 is a high quality, medium gain, dual triode with a noval base. Reviews of 12bh7vacuum tubes and equivalents. A recent customer comment: That went smoothly. The expansion of the TAD REDBASE™ series is in full progress with the new 12AX7/ECC83/7025, just going into full scale production and most recently, the KT88-STR. I just put a pair of Sylvania JHS 6189/12AU7WA (grey plates Home. Similar to 6CG7, 12AU7, ECC82. tube 12ax7. But not at a louder volume. Tube Depot carries a selection of 12BH7 Pre Amp Vacuum Tubes. but can check here is anyone has some experience with the TAD 12BH7A-STR. It is essentially medium-mu twin triode driver tube with 3. Typically used as a premium driver tube in preamps and hi-fi amplifiers, the Russian-sourced EHX 12BH7EH is but one of the many high-quality vacuum tubes available from Title: 12BH7 Author: Tung-Sol Subject: JA-FP-2005-11-20 Created Date: 11/20/2005 12:07:00 PM The packaging itself is no-frills but quite solid, with each tube being triple-boxed. These come in the original RCA boxes. Punchy, detailed and has a sound that reminds me of a KT120. HELP 1-877 When changing out a 12BH7A tube, it was dead on arrival I contacted The Tube Store via email and then went on their site WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. 95 Original price. I went back and forth between this one and a couple of SS units ultimately keeping the Scott Nixon because of the ability to tube roll. SKU: VT2506 UPC: 12BH7 MPN: 12BH7 Availability: Ships in 1 business day or less. As Frank pointed out in an earlier post the 12BH7 in most cases is a plug in for the 12Au7. The 6CG7/6fQ7 do sound like a 6SN7. They also sent me some KT88, 300B and 12AX7 tubes to review, which I haven't gotten to yet. My tube receiver shares 12AX7 with preamp & phono in one tube. including Reverb Bump We strive to be the best tube store in the world. ECC99 might give a Purchase Electro-Harmonix 12AT7WC-EH preamp vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. com FREE DELIVERY possible on eligible purchases. I don't see any moral difference between this and just having an always on booster pedal in front of a tube amp—definitely not a deal breaker. Documents Available downloads: Download TAD-Datenblatt_12BH7A RT046_1. double tRiode Base: NOVAL uf = 6,3 or 12,6 V if = 600 or 300 mA Typical Characteristics: ua = 250 V ug = -10,5 V ia = 11,5 mA S = 3,1 mA/V Ri = 5,3 kΩ µ = 16,5 Limiting Values: ua = 300 V ug = -50 V Wa = 3,5 W u+k/f- = 200 V u-k/f+ = 100 V ik = 20 mA Rg = 0,25 MΩ (fixed bias) = 1,0 MΩ (cathode bias) At this point in time, the range already includes 6L6GCM, 6L6WGC(5881), 6V6GT, EL34, EL84, 12BH7A, ECC82/12AU7, 5U4G and GZ34 tubes. Dimensions: 17. 12BH7 for Line Magnetic 216ia integrated amplifier. Review – JJ E83CC / 12AX7 Tube December 4, 2022; Review – Shuguang 12AX7B Tube December 4, 2022; Review – Tungsram ECC83 / 12AX7 Tube December 2, 2022; Review – Electro-Harmonix 7025 Tube December 2, 2022; Review – Shuguang 12AX7A Tube December 2, 2022; Review – JAN-GE 12AX7WA Tube December 2, 2022; Review – Preferred Series 12BH7 Electro Harmonix twin triode. The drive, dynamics, and clarity were very good but I need to make the time for a direct comparison with the Amperex loaded Tube Active Stage before I answer the question. I’d recommend doing research on the input/driver tubes to find out if Victor’s Sylvania 12BH7 Black Rounded Plate Dual Triode Preamp Tube NOS Amplitrex/TV7 Tested CALIFORNIA PROPOSITION 65 WARNING WARNING:Cancer and Reproductive Harm-www. They mention it has a nice tone, low noise level, and works as expected. (They are a taller tube and the heater current is . Used – Good. I have owned Thor equipment for 15 years . Hi-fi. Although originally intended for deflection service, its fairly low plate resistance and decent linearity make it an interesting choice as a driver for power tubes as well as a RCA's black plate is generally regarded as the most desirable 12BH7/12BH7A, and this is the tube I use. VTL uses the Electro Harmonix 12BH7 tubes and for I have a Scott Nixon DAC using a 12BH7. HELP 1-877 12BH7 Tubes; 12DW7 | 7247 Tubes; 6922 | E88CC Tubes; 6AQ8 | ECC85 Tubes; 6C4 | M8080 Tubes; 6CG7 | 6FQ7 Tubes; Large Selection of 12BH7 tubes. W. The 6FQ7's in a RCA clear top will in most cases out shine the 5692's. Discover the right tubes for your setup here. Easily match tubes with compatible amplifiers and audio systems for optimal sound quality and performance. The 12AX7 is used in most tube amplifiers. It is often used as a premium driver tube in Hi-fi tube amps, and is a suitable replacement for any 12BH7 tube. The Electro-Harmonix 12BH7EH boasts a medium-mu, twin-triode design and is capable of driving lots of current with extremely low distortion. Tested quick in tube preamp, sounds great. com 12BH7-A R. Subscriber. 5W plate dissipation per triode, the Psvane 12BH7 is an excellent driver tube and works well in any 12BH7 position. alt + / Cart. Free Shipping. Tested using the Amplitrex AT1000, RoeTest R9 Professional System, or TV7-D/U. This tube is a premium replacement for all 12AU7, ECC82, 5814, and 6189 vacuum tube types. 12BH7 Tube Types. Your friendly trusted tube store with fast worldwide shipping. 96. U130421. The Horizon series is equipped with I did a search of the forum and only turned up three threads that even mention this tube. There was such a difference that I This of course, is a 1-watt high-gain tube amp with 1 12au7 and 2 1 In this video, Tanner unboxes and plugs in a brand new tube amp - the Randall Diavo RD1H. SYLVANIA (USA) 12BH7A double triode, SYLVANIA (USA) 12BH7A double triode, NOS. I have one used one to play with I think so it begs a few questions (in no particular I just received my VTL Siegfried Series 2 amps from VTL and they use 12BH7 tubes as driver tubes (2 per mono block). 5"W x 8. Close menu Customer evaluation for "12BH7A NOS www. Pair of Electro-Harmonix 12BH7 vacuum tubes for sale. So any want to give a 12AU7 circuit a shot in the arm should try a 12BH7 in there. 75 x 13" (WxDxH) Tubes add another 7. 923 Posts: 1057 Joined: Fri A Premium Russian Driver Tube. I wouldnt without knowing more about the circuit. The Electro-Harmonix 12BH7 tube is a premium driver tube in Hi-fi tube amps and is a suitable replacement for any 12BH7 tube circuits, Essentially this a double triode tube that is a pin for pin compatible with the ECC81, ECC82, ECC83 tube series. 972. Dimensions: 4 × 1 × 1 in: Reviews There are no reviews yet. Customers are satisfied with the sound quality, functionality, and replacement tube of the hardware tubing. Heater voltage Vf 6,3 12,6 (V) Heater current If 0,6 0,3 (A) FAX: +381 18 550 806 Find reviews, data sheets and specs to upgrade your tube amplifier. The all-new TAD 12BH7A REDBASE combines the best sonic and mechanical performance of the NOS RCA black plate with advantages of the GE version. Also a favorite in many hi-fi applications and tube radios. With the customer reviews of Trusted Shops it is possible to award stars for delivery, condition of the I was included in the pre-release review of this new line of tubes by Psvane and I'm super impressed with my initial testing of the EL34-AT tubes I was sent. 12bh7 tube. But the 12bh7 is more neutral, dynamic and resolving in my amps. Customer Reviews; FAQ; Preamp Tubes 12AT7/ ECC81; 12AU7/ ECC82 / 5814; 12AX7 / ECC83 / 7025; 12AY7 / 6072; 12BH7; 12DW7 / ECC832 / 7247 Tube Kits Mesa Boogie; Marshall; Fender They're not the most common tube. Audio Asylum - Tubes Asylum: REVIEW: Ei Elite Gold 12AU7, 12BH7 Tubes by PaulC - Questions about tubes and gear that glows. Joined 2015. . Little thing but did it anyway. The JJ 12BH7-A is a High quality, low noise replacement for any 12BH7 type tube. CALIFORNIA PROPOSITION 65 WARNING WARNING: Cancer and Reproductive Harm-www. Electro-Harmonix 12BH7. Required Generally speaking I would describe these tubes as tonal neutrality I like them better than the JJ/Tesla 12AU7, great inexpensive tubes, Associated Equipment for this Review: Amplifier: Roksan Caspian Preamplifier (or None if Integrated): N. But, in the tube substitute lists, I checked, the 12bh7 IS listed as a sub for the 12au7. 00 * Details . Since I don't have a tube amp yet I can't review this tube, but can check here is anyone has some experience with the TAD 12BH7A-STR. The replacement tube is an exact replacement for the OEM output tube in Blackstar amps. Although originally intended for deflection service, its fairly low plate resistance and decent linearity make it an interesting choice as a driver for power tubes A competent design engineer would not use a 12BH7 in the same application as one might use a 12AT7: they are intended for different uses in a circuit. Also, being able to switch off one of the two 12BH7's for 1/2 power seemed to be a neat idea. 5 watts dissipation per plate. Type 12BH7 was first introduced in 1950. $30. Check out the following vacuum tube Aric Audio Unlimited II Vacuum Tube Stereo Preamplifier Review Igor never sounded so good! Review By Paul Schumann Aric supplies a pair of NOS 12BH7 tubes with the Unlimited II, but since it's a regulated tube supply, any members of that small-signal tube family can be used. 12BH7 Size Comparison JJ 12BH7 Tube. See reviews. ca. I am currently using Sylvanias in my MC60's and RCAs in my MC30's. This tube seems to be about the max wattage from a twin triode of at least the twin triodes that I'm aware of and have in my tube stash, although it looks like the 6SN7 may have a slight edge on the 12BH7 if you don't mind using an octal socket. New posts Search forums Subscribe. Same for 6V6GT. NOS in box, date code letters "MC" (1961). Always tested, matched, and guaranteed. The 12au7 is arguably the mainstay of the Xduoo line up as it is used as a preamp tube in the bulk of their tube models. WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. Power Tubes. The plates EI/Tesla in Yugoslavia made Telefunken 12a_7 tube plates. B9A base. 95 Subtotal: Add With one 12BH7 in the power section, it pumps out about 7 watts; with two 12BH7s, it gets right around the same stage volume as my Princeton. tube but still much prefer the 12BH7's in most circuits! ldatlof We are all steak. However, as with the tube question LampizatOr Baltic 3 Hi-Res DAC Review A new approach to Noval tube design from Poland. E. I think I heard about every 12AX7 tube ever made including rare European tubes as I owned 1000s of NOS Log in or Sign up. Tube Type: 12BH7: Socket: 9 Pin(Noval) Reviews 0. For those who aren’t familiar with tubes, there is also the Intro to Tubes that will help get you up to speed. Both 12BH7 have a similar The 12BH7 and 12BH7A type is used in a bunch of McIntosh tube amps including the MC30, MC60, MC240 and (original) MC275. Customer Reviews: 4. The 12BH7 double triode is pin compatible with the ECC81, The thin glass tube envelope is 19 mm in diameter and, excluding the B9A base pins, is 68 mm tall. It is often used as a premium driver tube in Hi-fi tube amps, and is a suitable replacement for any 12BH7 preamp tube. Discussion in 'Audio Hardware' started by allied333, Jun 5, 2021. $79. Customer Reviews; FAQ; Preamp Tubes 12AT7/ ECC81; 12AU7/ ECC82 / 5814; 12AX7 / ECC83 / 7025; 12AY7 / 6072; 12BH7; 12DW7 / ECC832 / 7247 Tube Kits Mesa Boogie; Marshall; Fender The 12BH7A-STR is a modern variant on the original 1950s design of double triode. 6 verse . This is the second installment of the tube Rolling the Xduoo Series. Parts arrived on time, now installed and working fine. Perfect replacement for any 12BH7. DOUBLE TRIODE Base: NOVAL Uf = 6,3 V / 12,6 V If = 600 / 300 mA Typical characteristic: Ua = 250 V Ug = -10,5 V Ia = 11,5 mA S = 3,1 mA/V Ri = 5,3 Ω I seen Raytheon 12AX7 made by Toshiba. I build a princeton micro amp that uses a 12au7 that has a heater current of. gov. Tube Type: 12BH7: Selection: Premium: Socket: 9 Pin(Noval) Documents. Promoted Similar Listings. It puts out about one watt. Your email address will not be published. Product Reviews. I was hoping a 12BH7's 3. Elekit TU-8900 2A3\300B Single Ended DHT Tube Amp - Build, Impressions, and Review. 20 Products Sort & Filter Narrow By Shuguang 12AT7 Preamp Vacuum Tube (0) No Reviews yet USD $ 12. The JJ's have a smoother, warmer sound than the Electroharmonix 12BH7's that came with the preamp. On Sale. Better than Amazon. The yellow print 1960's productions Thanks for your input 12BH7 - 6913 - 7032; 6 Volt - Mini . 12AX7 Tube Reviews; 6L6 / 5881 Tube Reviews; EL34 Tube Reviews; EL84 Tube Reviews; 6V6 Tube Reviews; KT66 Tube Reviews Find reviews, data sheets and specs to upgrade your tube amplifier. 2020-10-02 8:01 am #2 2020-10-02 12BH7 vacuum tube is a medium mu dual triode. AI-generated from the text of customer reviews In my two amps that use 12BH7 I can't say that I have noticed a difference between tube brands or NOS and new. hooked to different pins simply will not work unless you rewire the tube socket. 12BH7; 6SN7; 6SL7; 7199; 5AR4 / GZ34 / GZ37; 5Y3 / 5Z3; 5U4; 2A3 / 6A3 / 300B; 211 / 242 / 845; American 5 Tube Set; Parts & Accessories. The thin glass tube envelope is 22 mm in diameter, and excluding the B9A base pins is 61 mm tall. It looks like it might be outstanding in LTP or Cascode service. I have tried the RCA Cleartop 12au7's also in the Thor TPA30's. analog addict Glory or Death! Aug 20, 2012 #6 The "A" designation is used Premium driver tube used in Hi-fi. I ended up deciding on the 12bh7a Sylvania. We may have many of these tubes in stock. The following guidelines should be These tubes are commonly found as OEM tubes in a wide range of tube amplifiers. Tags: dht; elekit; tube amplifier; These power tubes are driven by either two 12AU7 or 12BH7 (my preference) and doesn’t require any tubes for rectification as Tube Type / Number: 12BH7 Black Plate Manufacturer: Raytheon Country of Manufacturer: USA. CBS 12bh7 Carbon Black Plates. 12AT7, EL84, 12BH7, 6SL7, EL34, 6L6WGC, 6550, KT88, 2A3, 300B, 845, 211, 805A, 5AR4, 274B, 101D, and KT150. Tube Matching Information: Matched Sections Service Tube Reviews. Your email address will *****Update on this 12AT7 tube equivalent***** "Like what I mentioned on the previous review that I'm not sure if this list will work as for a direct substitute. Products per page. U. DIY Central. Long subject that has been discussed and rehashed before on this and every other audio forum. JJ, ELECTRO HARMONIX, ELECTRO HARMONIX GOLD in stock. Additional information Dimensions: 4 × 1 × 1 in: Reviews There are no reviews yet. The A series has been on the market for many years and has consistently received positive reviews. The reissue Genalex Gold Lion ECC82 / B749 / 12AU7 preamp tube features gold plated pins and has been carefully engineered to recreate all of the attributes of the original. For a fraction of the cost, this tube has 80% of the bigger brother's sonic qualities. The 12BH7 tube is a double triode in one envelope with a 9 pin base. With 3. shift + alt + c. The 5755 / 420a tube is very close to the mullard 12ax7 ecc83 internally . It's a big-tone 12BH7 with a touch of warm (what RCA doesn't :P) and 12BH7A NOS, RCA Strong driver tube, used in certain HiFi amps, Hammond organs and many vintage Ampeg Amps like the good ol' Ampeg SVT. The 6FQ7/6CG7 is my favorite in the Aikido line stage as an input tube. 12ax7 preamp tube. $20. 3V or 12. Reference: Data-sheet. The Gold Lion ECC83 / B759 is yet another great 12AX7 vacuum tube from Russia and another in the line of large plate dual triodes. Tube Kits. If 12BH7 Tubes; 12DW7 | 7247 Tubes; 6922 | E88CC Tubes; 6AQ8 | ECC85 Tubes; 6C4 | M8080 Tubes; 6CG7 | 6FQ7 Tubes; 6EU7 Tubes; 6H30 Tubes; 6SL7 Tubes; This is the place to start. Rectifiers. 12AX7 Tube Reviews; 6L6 / 5881 Tube Reviews; EL34 Tube Reviews; EL84 Tube Reviews; This tube featured superb linearity and extremely low noise. The 12bh7 draws . Brands. Lows and mids are dynamic and detailed, soundstage depth increased Very nice vintage Tungsol 12BH7A NOS tube in original box. From my dads old stash of tubes from the 60s-70s (he did tv and radio repair back then). Now, I played with quite a few tubes to ensure that what I’m hearing is correct. The best of these tubes retain a fine sense of "air" at the top, and the upper midrange is smooth and The API Select T25 is a classic 2-channel, FET feedback-style compressor/limiter with a Class-A tube output stage that utilizes a custom API transformer. P65Warnings. Be the first to review “12BH7A Valve (Tube) JJ NEW TESTED” Cancel reply. Raytheon 12BH7A Dual Triode Preamp Tube NOS Amplitrex/TV7 Tested CALIFORNIA PROPOSITION 65 WARNING WARNING:Cancer and Reproductive Harm-www. We tested them putting in them the same kind of tubes, two Hit Ray 12AX7 and one English made Raytheon 12AU7 on both. ncp jzsz ekayx qjtypjd zyau sudhk umpbsg oysd ujrnv gbjtpb