12bh7 Vs 12bh7a

About This Item. I pulled out the old RCA tube manual for the first time in years. Can I replace a 12FQ7 for a 12BH7 or 12AU7? Discussion in 'Audio Hardware' started by fjhuerta, Jan 3, 2005. Vacuum tubes. Most are in random boxes and in bulk storage. The red print on the glass has the Sylvania logo. Maximum of Reliability - Outstanding Tonal Quality! 1st Choice for Ampeg SVT. GENALEX - GOLD LION ECC82 / B749 for $43. Increasing the cathode bias resistor is often necessary. Kaksoistriodi, sama pinnijärjestys, mikään ei tule silmille, jos laittaa koneeseen. These are also available Balanced and matched in pairs or multiples. Aug 8, 2013 #1. 75) Posted by jangerer on 2002-03-28, 14:36:22 (206. The JJ 12BH7-A can be used as a replacement for any 12BH7 tube. My Tele sounds better, but it also got new pups a couple of days after the tubes came in. 12BH7 Duobla Triodo, Mez-mikrometra, dizajnita por uzo en ekipaĵo havanta seriojn hejtil-laĉas aranĝon [13] 12BY7 Video-Amplifila Neplenumitodo; 12DT6 Akra detranĉneplenumitodo; 12DW7 Malsimilaj triodoj. -las valvulas son testeadas y apareadas antes de ser entregadas, los probadores utilizados son: heathkit tt-1a / avo mark iv o tv-7. 00 10/96 Pratica Oltre alla 300B utilizza la valvola 12BH7 in ingresso 82. About Us Contact Us My Account. VS-110 SABA Telewatt SO202U/S >>Mandello U/S SO202 SO200 Goldy 59, 03010 Bornholm Stereo 5/630 RK92 Club / Club de Luxe 10pages UKW-Boy 56 Tucana 5520 Stern Sonneberg 2*EF80, ECH42, EBF80, EB41, EF40, EL12, EM4 Wildbad W5 E29/La50 Micro-Transistor-Boy PA950 - Hifi Amplifier 981. Registered users can share their experience with this product. Commonly found in Hammond organs and tone cabinets. Amperex 12BH7A (Orange World): calidad de sonido sin adornos. Made in Russia. Vacuum Tube Audio Forum. The 12BH7 requires no circuit modification to substitute for a 12AU7, but the plate resistance is a little lower (5300 vs 7700). I know nothing about this tube and am just hoping some of you experts can help me find a few good replacements for tube rolling. This is a dataset of the all-time top 1,000 posts, from the top 2,500 subreddits by subscribers, pulled from reddit between August 15–20, 2013. 6CG7 6FQ7; 6EU7; E80CC 6085; 12AX7 ECC83 ECC803S E83CC 7025 CV4004 CV492 CV4035. 欧州管名: 互換品種: 108c1: 0b2: 10c14: 19d8: 10f18: 13ec7: 10f9: 12ac5: 10ld13: 14g6: 10ld3: 14l7: 10p18: 45b5: 10pl12: 50bm8: 121vp: 12ac5: 12b-b14: 13gb5. Sonido atractivo, inmediato y brillante, pero un poco floja. Double Triode. Brand New MINT NOS Mullard 6080 6AS7 Mid to Late 1960s Black Plates with Old Shield Logo. 590,00 - Comprá en 12 cuotas - Envío gratis. very good physical condition and perfect working condition. Read 72/76 & 76. These tubes are very quiet and have a warm and even tone with tight lows and quick dynamics. Read honest and unbiased product reviews from our users. 12BH7A JJ Electronics twin triode. 12bh7/ecc99 The 12BH7 is a medium gain dual triode used in hi-fi amplifiers, pro audio equipment and some guitar amplifier circuits. Just because it has the same pin count doesn't mean it will work. 12BH7 and 12BH7A DUAL TRIODE $ 80. 12bh7 vs 12au7. Also a favorite in many hi-fi applications and tube radios. 5 0C3 0C3W 0D3 0D3/VR150 0D3A 0D3W 0E3 0G3 0Y4 0Y4G 0Z3 0Z4 0Z4A 0Z4G. 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. I need some help here. 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. de los años 60: El sonido es un poco más rico que la Amperex. The 12BH7 ECC99 Tube; The 6DJ8 6922 Tube; New Rectifier Tubes. A made General Electric 12BH7A was used by many American guitar amplifier manufactures. If you need a quad I have more of these identical tubes. Please contact me first for that matter. Seems to be a good level of detail throughout the low, mid, and high ranges. Premium quality driver tube preamp tube. The white or red print on the glass has the GE logo. 75) Posted by jangerer on 2002-03-28, 14:36:22 (206. 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. Would it be possible to use a 12BH7A instead of a 12AU7? They are similar, but I doubt it. 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. a a(5) a(6) a-auto a10 a1005 a106 a109 a11 a11b a11c a11d a12 a1320 a14 a141 a15008 a16 a1600 a1685 a1685m a1714 a18 a1820 a1834 a19 a199 a2 a20 a2004 a2004s a2018 a203 a2030 a2030n a2040n a205 a206 a206_eev a207_eev a207_marc a2087 a209 a2094 a209_marc a20b a210 a211 a2118 a2134 a214_marc a214_tri a2196 a22 a2200w a2209 a2223 a2227 a224 a2244. Although 5687 tubes look significantly shorter. Before the advent of semiconductor devices, thousands of tube types were used in consumer and industrial electronics; today only a few types are still used in specialized applications. 6SN7 Tubes Items From $9. Itu apa mslh di tubenya Ap di amplinya yah om. Inicio / Guitarras / Válvulas / Otras válvulas / 12BH7 EH. GE 12BH7A Vacuum Tubes $80. List of vacuum tubes This is a list of vacuum tubes or thermionic valves , and low-pressure gas-filled tubes , or discharge tubes. Find many great new & used options and get the best deals for 12BH7A GE Gray Plate D Getter Vauum Tube Hickok 752a Tested 100 at the best online prices at eBay! Free shipping for many products!. 115) If your amp is designed for 12BH7, go back to a 12BH7. pdf (630827 bytes) 12BH7A : RCA (HB3) tt 12BH7A. 真空管の互換性について教えて下さい。6240Gという真空管ですが、現在、入手が容易な真空管で6240Gと差し換え可能なものはあるのでしょうか?アンプの修理にあたり、6240Gは入手難、または高価なのでできれば入手容易な品種に換装したいと考えています。12BH7A、6CG7、ECC99、6N6Pなどが使えるの. The 12BH7 double triode is pin compatible with the ECC81, ECC82 and ECC83 series from Mullard but has slightly different characteristics. となるとドライバー段は12bh7aや6240gなどの高耐圧管、初段は12ax7aなどでなるべくゲインを稼ぎ、位相反転には12au7aなどが考えられます。これはウィリアムソンタイプが流行った頃の教科書通りのような構成です。. 12BH7 and 12BH7A DUAL TRIODE $ 80. 12AX7? Found a stash of 12BH7a tubes in Grandpa's shed. On the other hand, the 12by7 is indeed designed for use as a class A amplifier like the 12ax7 but DO NOT plug that tube in. 1 of 2 Go to page. GE 12BH7A Vacuum Tubes $80. Both of the stock tubes were in poor shape. 36 Organic Competition. GE1SW PARKER HANNIFIN VALVE,(5) Electronics Manuals,Ironing Board Cover for Euroflex Airflux Tsa 347 BT 3000 Tcm 231235. But that's just my ears in my system, I guess. 12AU7=ECC82 and Equivalents (click on links below to check stock) 7316=12AU7 Philips / Philips Miniwatt / Amperex Holland 1958-1963 12AU7 Amperex Bugle Boy 1960's 12AU7 Philips / Philips Miniwatt / Amperex Holland 1960's - 1970's CV4003=12AU7 Brimar UK 12AU7=CV491 Brimar UK 12AU7 CBS USA 12AU7=ECC82 Radiotechnique (RT) France "Long Plates" 12AU7 GE USA 12AU7 East Germany (RFT) 12AU7 Hitachi. These tubes have gray plates, double b. double tRiode. Price: $35. Any insights would be greatly appreciated. The Brimar 12BH7A came in the mail the other day, so I've been comparing it to the Mullard CV4003 (12AU7) I already have. Does anyone know of a good substitute for this tube, or a good source of. 6 600 10 25L6GT 12W6GT 12. As already mentioned, one of the hallmarks of this amplifier is that we can use various output tubes in it. The clean channel got a little warmer, but the drive channel suffered slightly in clarity. PAIR OF 12BH7 & 12BH7A Tubes, Haltron Brand, NOS - $49. Current Production 12BH7. Har også en del 12bh7a på vei etter anbefaling av de som har laget ampen, pluss et RCA Clear Top 6GU7. TUBES: 4-KT88/6550 output, 12AX7, 2-12AU7, 2-12AZ7, 2-12BH7. damned if I remember where it came from, but I couldn't find much info on the web about it. valvula electronica 12bh7a, sylvania usa, nos nib, valvula nueva sin uso, en caja original. Same pinout. The 12BH7 vacuum tube looks like a 12AU7 vacuum tube that had taken an overdose of anabolic steroids and spent too long in the gym. 12AU7 is similar to ECC82 and 6189 and can be used interchangeably. 6 300 600 10* 12BY7 6. Sylvania 5ar4 gz34 tube. 67) Posted by jangerer on 2002-03-28, 14:36:22 (206. I heard that 12BH7 is compatible with 12AU7, but Google search gave me conflicting answers: some say the pinout is different, but som esay it will work. Selected, matched version. The JJ 12BH7-A can be used as a replacement for any 12BH7 tube. 95 Shipping Weight: 0. Cómpralo en Mercado Libre a $ 750. Each amp uses two SED (née Svetlana) EL34 output tubes along with one 12AT7 and one 12BH7A. Virranantokyky suurempi. Add to Cart. Genalex - Gold Lion Ecc81 / B739 for $41. Read honest and unbiased product reviews from our users. 12BH7/12BH7A vacuum tube is a medium mu dual triode originally designed as a driver in TV sets. It has a much lower Gain output at 60, but what you lose in Gain you get back with more headroom, higher fidelity, and an increased current output. Damn, I never heard of those tubes. Just goes to show, I thought the Sylvania 12BH7A to be the worst I tried in the long gone Air Tight. If I remember right, (without looking back at the RCA tube manual) the 6. Vacuum Tube Audio Forum. 5 watt 3 tube amp I built, the sound was a lot louder with more bottom end. The 5U4 Tube; JJ 12BH7A. valvula electronica 12bh7a, sylvania usa, nos nib, valvula nueva sin uso, en caja original. Comprar por categoría. JackD201 WBF Founding Member. 依時間:最快結束優先; 依時間:新刊登優先; 依價格及運費:最低價優先. Member: Joined: Jan Thu 01, 1970 1:00 am Posts: 480. What kind of power tubes does your amp use? Shared cathode resistor R for both halves of the 12BH7. If you need more than the quantity available, please Email us at worldtubecompany. Disponuje paticí typu Noval. 00 10/05 Pratica. K1000's are hard to drive, as headphones go. Michael Marx 105 N. I underlined the part about the 12BH7 near the bottom. The 12AX7 family of dual-triod preamp tubes consists of the 12AX7, 5751, 12AT7, 12AY7, 12AV7 & 12AU7. The white print on the glass has the GE logo (label may be partial). With the very large number of vacuum tubes or thermionic valves that were produced and as a result of the multiple vacuum tube numbering systems that were in use, there are generally equivalents for most types of tube. PDF Author: Unknown Created Date: Tuesday, April 09, 2002 9:50:08 PM. Damn, I never heard of those tubes. TAD pružiny pro výkonovou lampu EL84. But you gotta listen - those in the know will tell you Brimar and their sister companies like Ediswan made BAD ASS stuff! I am warning you guys; this tube is going to be $150 sooner or later! OK kiddies…. Nota: las válvulas tienen las garantías restringidas. 5 0C3 0C3W 0D3 0D3/VR150 0D3A 0D3W 0E3 0G3 0Y4 0Y4G 0Z3 0Z4 0Z4A 0Z4G. 56) Is there any difference in using a 12BH7A tube in a Triode Electronics modded Dynaco ST-70 in place of a 12BH7?. 12BH7A tube, and 2 Electro Harmonix 12BH7 tubes for sale. Always tested, matched & guaranteed. Long subject that has been discussed and rehashed before on this and every other audio forum. Estimados, les comento que hace unas semanas compre un par de tubos emparejados para reemplazar los 12BH7A Electro Harmonix que tenia instalados en mi ampli, pasado el tiempo de burning puedo dejarles mis comentarios. 12BH7 and 12BH7A DUAL TRIODE. 00 Shipping. These tubes are NOS and new in the box. 真空管アンプに関する口コミ、最近の感想、評価、評判、クチコミ、レビュー、比較。300b 真空管アンプ 845真空管アンプ a級プリメイン真空管アンプ bluetooth 真空管アンプ kt88 真空管アンプ オーディオ 真空管アンプ キット 真空管アンプ スピーカー 真空管アンプ トライオード 真空管アンプ. We will take a look at why you might, or might not want to swap out the different types of tubes. Current Production 12BH7. Mine didn't come with a manual and the front panel doesn't have any real markings. J'attends une dernière commande, 2 ECC83 et une 12BH7. Sylvania 12BH7 pinched plate from the 60s: Sound is a little richer than the Amperex. Triode, USA Customer Service M-F 9AM-4PM CT 1-800-774-3201 Email us Anytime: [email protected] JJ-ECC99 vs. A very different application though. 1 900s; 11 Lista de los tubos utilizados en los años veinte y treinta receptores de radio 11. Seems to be a good level of detail throughout the low, mid, and high ranges. 12Sn7 datasheet, cross reference, 25CD6G 12DQ6A 25CD6GA 25CD6GB 25CU6 25DN6 25DQ6 12AU7 12A4 12B4A 12BH7 12BH7A 12CM6 12R5 12SN7GT 12W6GT t ,. Thus, even though it has a lower u (or amplification factor), the gain may be slightly higher depending on the circuit design. Large Selection of 12BH7 tubes. pdf (630827 bytes) 12BH7A : RCA (HB3) tt 12BH7A. 12BH7A RCA USA NOS double triode valve in original/white box. This thread is archived. I personally like the 12bh7 better than all the 12au7's I have tried. What’s Best Forum is THE forum for high-end audio, product reviews, advice and sharing experiences on the best of everything else. I've had a JCM 900 4100 for a few months and love it, but like most of us I'm always trying to find the perfect tone. Get the best deals on Rca 12bh7 when you shop the largest online selection at eBay. Electro Harmonix 12BH7. Digital Man Membro AAP 12BH7A x 2, 6AQ8 x 1 Em 1999 foi feita uma. ECC83/12AX7 vs 12BH7 Showing 1-4 of 4 messages. 12BH7A /12BH7 Tube, Medium Mu Twin Triode, USA (Not RCA) Various USA brands. Sinon j'ai aussi dépouillé mon pré-ampli du coup y a 2 12BH7A de EH, là encore j'ai cherché y aurait peut etre des 12BH7 RCA grey pin, mais c'est pas la grande révolution. Hello - I have a matched pair of 1957 GE 12BH7A tubes for sale. PIONEER model RT-1050 Semi-Pro Reel to Reel Tape Deck Description: Today you will be bidding on a PIONEER model RT-1050 Semi-Pro Reel to Reel Tape Deck Pioneer RT-1050. The red print on the glass has the Sylvania logo. On the other hand, the 12by7 is indeed designed for use as a class A amplifier like the 12ax7 but DO NOT plug that tube in. Part Number 12BH7A is an aircraft part manufactured or catalogued by Hawker Beechcraft (Textron). Division St. In addition, when changing to a higher output rectifier in a "self biasing" (aka "cathode biased" amp, eg, Champ and others) never assume that the power tube (s) is/are safe. SPECIALLY SELECTED TUBES. Price: $16. These are used for several applications including use in many low power tube amps such as the Blackstar HT-1 & HT-5 tube amps. There is, however, a wider variation in the sound of 12BH7s than 6CG7s, so some tube selection or rolling is in order. Vacuum tubes. JJ Electronic - Vacuum tubes, Capacitors, Amplifiers. If you need more than the quantity available, please Email us at worldtubecompany. 12BH7A /12BH7 Tube, Medium Mu Twin Triode, USA (Not RCA) Various USA brands. The 6CG7/6fQ7 do sound like a 6SN7. 12BH7/12BH7A vacuum tube is a medium mu dual triode originally designed as a driver in TV sets. Tube 12BH7 or Röhre 12BH7 ID5310, Double Triode, Noval, B9A and Universal shown. Packed in generic white boxes from bulk. The JJ 12BH7-A can be used as a replacement for any 12BH7 tube. 000 productos listos para ser enviados. Buen reemplazo para cualquier tubo 12B. Can you substitute a 12bh7 vacuum tube for a 12ax7 or 12au7 or 12at7 or 12ay7? Wiki User 2013-05-22 22:09:55. Add to Cart. My McIntosh MC240 uses 2 12BH7 tubes in it. Catalog Datasheet MFG & Type PDF Document Tags; 12bh7 tube. Brimar CV4003/12AU7 - The Tube Gods have BLESSED US!!! There won't be many reviews of this tube because I have not had them FOREVER, and just found a small stash. Unfortunately the Sylvania 12BH7A (green lettering) of my preamp had a serious deficiency in the treble (roll-off), that led me to believe that it must have obviously been a faulty one. Thanks for great service. To make things easier to find, I've listed all the equivalents from the header, so some files will be duplicated. 12BH7A: Like New: GE - in Standard Brand Box Emissions=96, Grid Leakage=0. BILLINGTON EXPORT LIMITED CHRISTMAS HOLIDAY NOTICE We close on Monday 23 December and re-open on Thursday 2 January 2020. Member: Joined: Jan Thu 01, 1970 1:00 am Posts: 480. Purchased this tube to replace a 12AT7 tube in a 1. Recomendar; Habilitar redes sociales Versión rusa del 12BH7A. RCA and Sylvania first introduced the 12AX7 to the world in the late 1940s. This video answers for the question. If you need help write me via http: Also, the 6CG7 line is remarkably similar in audio performance across various manufacturers of the same vintage or age. Our Products: Preamp Tubes > 12BH7-A. 12ay7 / 6072 12AY7's will allow for a cleaner tone and a bigger sweep of the gain and volume controls on your amp. Maximum of Reliability - Outstanding Tonal Quality! 1st Choice for Ampeg SVT. Since the LA2A is an opto-based compressor. What are the differences between the 12Bh7 vs the 12 bh7a? 3. Since TubeDepot is in Memphis, TN, the home and main hub for FedEx and USPS, we get very good rates, so rest assured your heavy item will be shipped at the most affordable rates. The JJ Electronic 12BH7-A is a faithful reproduction of the original tube. On the other hand, the 12by7 is indeed designed for use as a class A amplifier like the 12ax7 but DO NOT plug that tube in. 12BH7A Diff-PP com2ification. Just wondering if anyone has compared these? Is there any clear winner? I am using a 12AU7 at the mo and have tried: RCA 12AU7 cleartop RCA 5693 A 12BH7A iso a 12AU7A will often sound better. Real Vintage Flava. Sylvania 5ar4 gz34 tube. 1; 2; First Prev 2 of 2 Go to page. The best prices anywhere for 6L6, 6L6G 6L6GC, 6L6GT, 6L6GA, 7027, EL37, 6L6GB, 6L6GCR, 5881, and KT66 kink-less tetrode version of the 6L6 tube. Thus, even though it has a lower u (or amplification factor), the gain may be slightly higher depending on the circuit design. But the 12bh7 is more neutral, dynamic and resolving in my amps. New & NOS pre amp compatible tubes from Electro-Harmonix and other various brands!. All those tubes are double triodes, but their characteristics. Both of the stock tubes were in poor shape. The all-new TAD 12BH7A-STR combines the best sonic and mechanical performance of the NOS RCA black plate with advantages of the GE version. Found 200 records in Search of Tubes Asylum. uses for 12BH7A tubes? the 12BH7 is the only tube that'll do the job, so it seems to me it would find a better home with folks who can't sub something in its place. ECC83/12AX7 vs 12BH7 Showing 1-4 of 4 messages. Yes the 12bh7 is direct pin out with the 12ax7. CALIFORNIA PROPOSITION 65 WARNING WARNING:Cancer and Reproductive Harm-www. GE 12BH7A for sale. tubemonger. Har også en del 12bh7a på vei etter anbefaling av de som har laget ampen, pluss et RCA Clear Top 6GU7. となるとドライバー段は12bh7aや6240gなどの高耐圧管、初段は12ax7aなどでなるべくゲインを稼ぎ、位相反転には12au7aなどが考えられます。これはウィリアムソンタイプが流行った頃の教科書通りのような構成です。. ECC83/12AX7 vs 12BH7: RanMaFan: 5/18/00 12:00 AM: I have a circuit currently using ECC83 tubes, but the designer says that a 12BH7 would give lower distortion. Heater voltage Vf 6,3 12,6 (V) Heater current If 0,6 0,3 (A) FAX: +381 18 550 806. 12BH7 Ratings. Audio Tubes/Valves. I know nothing about this tube and am just hoping some of you experts can help me find a few good replacements for tube rolling. 12bh7 View a vast selection of 12bh7, all carefully selected. 12BH7 RCA Clear Top Square Getter. Quick View. I've had a JCM 900 4100 for a few months and love it, but like most of us I'm always trying to find the perfect tone. 12BH7 Page 1 of 4 Telephone: +381 18 550 741 12BH7 is A. Title: 12BH7A Author: Tung-Sol Subject: FP-2004-08-05 Created Date: 8/5/2004 11:26:21 PM. Here are some pics of the two tubes side by side: My amp is a 6V6 PP design with the 12AU7/12BH7 as the first tube (voltage gain), then into a 6SN7 differential pair phase splitter, then to the 6V6's in PP configuration. Keramická 9-pinová patice. Superior medium-mu twin triode driver tube for hifi use. My McIntosh MC240 uses 2 12BH7 tubes in it. About Us Contact Us My Account. Miscellaneous; New. The 6FQ7's in a RCA clear top will in most cases out shine the 5692's. This 1960s Sylvania 12BH7A tube has gray plates and a halo getter. I t is an ideal driver tube with 3. Válvula JJ Electronic 12BH7-A. Engineered for maximum reliability and superior sound quality. 12BH7 Gold Pin Electro Harmonix twin triode The is the Gold Pin version of the 12BH7 from Electro Harmonix. JackD201 WBF Founding Member. Stiahnúť pdf. 75) Posted by jangerer on 2002-03-28, 14:36:22 (206. VS-71 Amplifier 4*ECC808, 2*ECC83, 2*ECF80, 4*EL500 VS-110 SABA Telewatt >>Saba 4*ECC808, 2*ECC83, 2*ECC808, 4*EL503 Sch+Bed. 12bh7a Warning: Substitutes are given as a guide only - please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. SPECIALLY SELECTED TUBES. 12au7 12au7a 12av7 12ay7 12bh7 12bh7a 12fq7 12fv7 12sn7gt 12sn7gta 12u7 14af7 14f8 19j6 1633 1642 5608a 5635 5670 5670wa 5687 5692 5694 5798 5844 5873 5964 5965 5965a 5967 5971 6021 6072 6072a 6101 6111 6189 6211 6211a 6350 6386 6414 6463 6690 6829 6832 6840 6854 6900 6913 6922 6947 ecc82 ecc86 ecc88 rk43 vt-163 vt-231 vt-99. 6GU7 IS a 12BH7 with a 6. But, perhaps the EH 12BH7 might be worth a try for you. Buen reemplazo para cualquier tubo 12B. Maximum of Reliability - Outstanding Tonal Quality! 1st Choice for Ampeg SVT. P65Warnings. Example) 6AH4, 6BX7, 6CK4, 6S4, 6BM8 triode connection, 6F6 t-connection, 6L6 t- connection, 6V6 t-connection, 12BH7A Shape & dimensional drawing. "type" "qty" "" "570" "01307" "5" "038-0678" "1" "10010" "800" "1005" "70" "1007 jan" "82" "100e1" "12" "100g3124-2" "3" "100th" "6" "100th/vt218" "1" "1012" "5. 12BH7, made at the. Original Genalex Gold Lion ECC83/B759 tubes are considered among the best 12AX7 types ever made. As Frank pointed out in an earlier post the 12BH7 in most cases is a plug in for the 12Au7. Made in Russia, these premium driver tubes are compatible with any 12BH7 tube. I stand corrected. Tubes with part numbers beginning with 12BH7 Tube are in stock and ready to ship! Javascript is disabled on your browser. Para más información pincha aquí. For the first 25-50 hours on the new tubes my MC225 sounded harsh. 12AX7 is another matter entirely. Awesome as always, your valves have proven to be the most reliable on the NOS market. 12BH7-A Ia=f(Ua) - 15,0V - 25,0V - 30,0V - 35,0V Ua= 45 0V 3 50V 2 1 50V R. 6GU7 IS a 12BH7 with a 6. Saludos cordiales. Vacuum Tube Audio Forum. Preamp Tubes 12AX7 12AU7 12AT7 ECC81 ECC82 ECC83 E88CC 6922 6SN7 EF86 12BH7 Melbourne Australia. I heard that 12BH7 is compatible with 12AU7, but Google search gave me conflicting answers: some say the pinout is different, but som esay it will work. Does anyone have any interest in some 12BH7s? I have about 60, purchased from the estate of a radio shop owner. Selected, matched version. pdf (630827 bytes) 12BH7A : RCA (HB3) tt 12BH7A. 12BH7, made at the. 6SN7 Tubes Items From $9. Results are. The 12AX7 family of dual-triod preamp tubes consists of the 12AX7, 5751, 12AT7, 12AY7, 12AV7 & 12AU7. One of the favorite pastimes of many original Leben CS-600 integrated amplifier owners has been trying different combinations of vacuum tubes in their CS-600 to tailor its sound to what best matches their personal taste. To view this site, you must enable JavaScript or upgrade to a JavaScript-capable browser. 12AX7? Found a stash of 12BH7a tubes in Grandpa's shed. Tube 12BH7 or Röhre 12BH7 ID5310, Double Triode, Noval, B9A and Universal shown. , Antique Audio Service Centre : Black Gate - CDs Electron Tubes Capacitors - Brands Transformers - Sorted by Brands Fuses Preamplifiers AC Plugs / Sockets Speakers Amplifiers D/A Converter / DAC CD Players Tuners Resistors - Brands Resistors - Types. All tubes are carefully tested and selected. Re: 12BH7 Self Split PP using a Merit A2901 for OT « Reply #17 on: February 11, 2017, 03:30:07 pm » Removed V2 470k grid stopper and 1M pot - Replaced with 500k pot. About Us Contact Us My Account. RCA 12BH7A. UA VS-1176LN & VS-LA2A Manual Author: Universal Audio, Inc. 1; 2; First Prev 2 of 2 Go to page. I want to try more options at the 12AU7 position. Tube Rollers: 12BH7A vs Telefunken ECC82? I have the BH Crack w/ Speedball, Tung Sol 5998, Gold Lion Genalex 12AU7, just got an HD700. very good physical condition and perfect working condition. A Comparison of Current Production 12AX7 Tubes. I found some 12BH7`s and was told I could try these in my Blues Jr. Commonly found in Hammond organs and tone cabinets. Abstract: 12BH7 12BH7A 12BH7-A 12BH7A tubes 12BH7A tube TUBE 12bh7a 12bh7 general electric ET-T985. 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 suitable voltage gain input tube for output stages (Mu of 17, so output stage bias of 20 to 30 is ideal). Re: 12AX7 vs 12AT7 vs 12AU7 Originally Posted by lovechild There are many differences, but the ones that make the biggest difference are the Gain Factor and the Plate Characteristics (including the Grid Voltage Curves). If you think in terms of gain (mu), the 12BH7-A would be similar to the 12AU7. Itu apa mslh di tubenya Ap di amplinya yah om. Keramická 9-pinová patice. TUBES: 4-KT88/6550 output, 12AX7, 2-12AU7, 2-12AZ7, 2-12BH7. 6 300 600 10* 12BH7 6. These tubes are NOS and new in the box. UA VS-1176LN & VS-LA2A Manual Author: Universal Audio, Inc. It has the same pinout as the 12AX7 but is not electrically compatible and is taller. 12bh7 in a Croft Anyone know if it's ok to use a 12bh7 in the 12bh7a positions in Croft amps? I gather the main difference is that the "a" has a higher maximum anode voltage. Vacuum tubes. Features include Peak/Rec LEDs +6 db or +3 db VU standard switch, Three selectable Bias settings, Selectable NAB or IEC standard Rec/Play EQ, 15 ips & 7. I haven`t heard back from the gentleman that advised me so I was hoping for a suggestion. 12BH7/12BH7A Recommendations Please. New old stock in original factory box. Abstract: 12BH7 12BH7A 12BH7-A 12BH7A tubes 12BH7A tube TUBE 12bh7a 12bh7 general electric ET-T985. Show Details. Hyundai Genesis Sedan 2015-2016 Oem Engine 3. Nota: las válvulas tienen las garantías restringidas. Comprar por categoría. GE 12BH7A for sale. 6 300 600 10* 12BH7 6. I want to try more options at the 12AU7 position. A more musical tube as well -rounder and more full. ECC82, ECC802, E80CC*, B749, CV491, CV4003, 5814, 5963, 6189, 6350, 6680, 7316, 7730, 12bh7*, 6fq7** , 6gu7**, 6cg7**,  6dj8**, 6AQ8**. Since TubeDepot is in Memphis, TN, the home and main hub for FedEx and USPS, we get very good rates, so rest assured your heavy item will be shipped at the most affordable rates. I knew they should be close, but told him why using another tube if he can get 12BH7 at normal price. It belongs to a large family of dual triode vacuum tubes which share the same pinout (RETMA 9A). The tested unit featured the ECC802S and 12BH7-A made by the Slovakian JJ Electronics in the preamplifier. 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). Selected, matched version. 115) If your amp is designed for 12BH7, go back to a 12BH7. 7 mA Bogey(100%) = 3100/3100 micromhos @ 11. 12BH7 / 12BH7A RCA 1954 - 1960 "Black Plates" (smooth and rich sound, recommended for MAC gear) - Mapletree Audio Design Ear+ Purist HD2 2007 - Manley Neo Classic 250 mono amps - Audio FSK amp - McIntosh MC30 - Bottlehead Crack with Speedball - PAIRS SOLD OUT 12BH7 / 12BH7A RCA 1954-1960 with 3 different black plate styles 12BH7 / 12BH7A RCA black plates 1950's (3 tubes on left) and gray plate. What tubes are in the top tier for this group? 2. Show Details. The 12BH7A is electrically identical to the 12BH7. New & NOS pre amp compatible tubes from Electro-Harmonix and other various brands!. Italian 12BH7 12BH7A Vacuum Tube Valve NOS-Testing The only things that prevented us from listing this unit as excellent condition is some minor light. NOS in original boxes. Please note that on some amps, 12BH7A is used in power supply circuits and ECC99 is not a drop-in. Many industrial, military or otherwise professional tubes were also produced. compatibility between 12AU7 and 12BH7 have been one of questions among DIY builders. The LA-2A and 1176LN compressor/limiters long ago achieved. It has a center-tapped heater filament so it can be used in either 6. Original Genalex Gold Lion ECC83/B759 tubes are considered among the best 12AX7 types ever made. 6GU7 IS a 12BH7 with a 6. 16: 12BH7A vs 12BH7 (8. Diamond Zaerix - you got lucky!. audio lecture 53, 12AU7 vs 12BH7, simple theory and real application test. 2 x 12BH7A RCA Tubes Made in USA Small Dimpled D-Getter Black plates Lettering is smudged/missing NOS NIB = boxes are a bit tattered Tested on Enhanced Triplett E3444 Labortory Tester results = 3470/3620 micromhos @ 12. 5A each, on BB they are paralleled for 5A, the four EL84s consume 3. There are many equivalent tubes with different names, some identical, some designed for ruggedness, long life, or other. 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). Select the Tube Type from the scrolling list. Looks like an. Increasing the cathode bias resistor is often necessary. The 12AX7 was originally intended as replacement for the 6SL7 family of dual-triode amplifier tubes for. The default version comes with low power tubes, dual triodes in the preamplifier—12AU7A and 12BH7A—and EL34 output pentodes. Vacuum tubes fall into three mainly non-interchangeable categories regarding their heater or filament voltage/current, though some tubes' heaters run at both a standardized voltage and current, e. Commonly found in Hammond organs and tone cabinets. 12BH7, made at the. Engineered for maximum reliability and superior sound quality. The LA-2A and 1176LN compressor/limiters long ago achieved. Title: Doc1. Keramická 9-pinová patice. 590,00 - Comprá en 12 cuotas - Envío gratis. GE 12BH7A for sale. I don't know about 12BZ7, but 12BH7 is a dual triode tube. In my opinion the 12BH7 will sound much better than the 12Au7. 1 Tubos con calentado directamente cátodos 11. Puede sustituir cualquier 12BH7. As Frank pointed out in an earlier post the 12BH7 in most cases is a plug in for the 12Au7. Universal Audio VS 1176LN & VS-LA2A User. Preamp tubes NOS and like new - the best of the best!. Tubes with part numbers beginning with 12BH7 Tube are in stock and ready to ship! Javascript is disabled on your browser. Solid state rectifier bridge. New comments cannot be posted and votes cannot be cast. It has the same pinout as the 12AX7 but is not electrically compatible and is taller. T-12AX7-SET_MINI. 12BH7 and ECC82 have amplification factors of about 17 being more like the 12AU7. It was released for public sale under the 12AX7 identifier on September 15, 1947. Chinese Psvane 12AU7-T MKII. 2x RCA (think these were Sylvainias) 12BH7A grey plates (matched pair) really nice - put in pre 2x RCA (think these were Sylvainias) 12BH7 black plate (matched pair) - paid about $100 for those 9 tubes 2x Vintage GE 5751 GL 3 Mica Black Plates D-Getter Stereo - 1953 - paid $113 - put in pre. 12BH7-A JJ Electronic Tubes Preamptubes 5751 6386 LGP 6SL7 6SN7 E83CC E88CC (6922, 6DJ8, CCa) ECC81 (12AT7) ECC82 (12AU7) ECC83 MG ECC83 S (ECC83, 12AX7) 12AY7 (6072) 12BH7-A ECC99 ECC802S (6189) ECC803S (6057) ECC832 (12DW7) EF806S Powertubes: Pentodes EL34 / E34L / EL34II. Packed in generic white boxes from bulk. 2 VS; 10 Lista de otros tubos números 10. Hi Mike, Valves arrived downunder today. I’ve loved the sound of the ef86 since I was a matchless rep in 93, I had 5 matchlesses at one point and 30. The Brimar 12BH7A came in the mail the other day, so I've been comparing it to the Mullard CV4003 (12AU7) I already have. 12AU7 is also known in Europe under its Mullard-Philips tube designation ECC82. 99 Jbl Signature Potato Masher Horn Lens Matched Pair 1237-1290 For 375 Ultra Rare. Kumpikin on 12**7-putkiperheen putki. Its rugged construction offers high reliability. The red print on the glass has the Sylvania logo. 16: 12BH7A vs 12BH7 (8. 12BH7-A Ia=f(Ua) - 15,0V - 25,0V - 30,0V - 35,0V Ua= 45 0V 3 50V 2 1 50V R. Thus, even though it has a lower u (or amplification factor), the gain may be slightly higher depending on the circuit design. 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. Heater voltage Vf 6,3 12,6 (V) Heater current If 0,6 0,3 (A) FAX: +381 18 550 806. But from what I've read, the 12bh7 is a far superior tube. These are also available Balanced and matched in pairs. 6 600 10 6CA5 12CU6 12. But the 12bh7 is more neutral, dynamic and resolving in my amps. Vacuum tubes. Chinese Psvane 12AU7-T MKII. very good physical condition and perfect working condition. A new tube recently introduced by Tesla/JJ, combines electrical characteristics similar to 7119/E182CC (high transconductance and low plate resistance) with a pinout the same as 12AU7/ECC82 or 12BH7. 12AU7 is similar to ECC82 and 6189 and can be used interchangeably. Either tube should work fine. Aug 8, 2013 #1. New design of excellent quality. Please contact me first for that matter. Seems to be a good level of detail throughout the low, mid, and high ranges. The tested unit featured the ECC802S and 12BH7-A made by the Slovakian JJ Electronics in the preamplifier. GENALEX - GOLD LION ECC82 / B749 for $43. 12AU7 vs 12BH7 vs 6CG7. If you want to do this I can help with adjusting the power supply for the added current the 12BH7A runs at. de los años 60: El sonido es un poco más rico que la Amperex. That tube was designed to be used for a vertical deflection amplifier for a TV. Buen reemplazo para cualquier tubo 12B. 12BH7A RCA USA NOS double triode valve in original/white box. 12BH7 A GE COPPIA Mu 16. ECC83/12AX7 vs 12BH7 Showing 1-4 of 4 messages. Encontrá Valvulas Electronicas 12bh7 A Nos en Mercado Libre Argentina. 12BH7A Diff-PP com2ification. ราคาต่อหลอด. The 12AX7, 12AT7, and 12AU7 all belong to the same family of nine contact, twin triode tubes. As Frank pointed out in an earlier post the 12BH7 in most cases is a plug in for the 12Au7. J'attends une dernière commande, 2 ECC83 et une 12BH7. Awesome as always, your valves have proven to be the most reliable on the NOS market. CALIFORNIA PROPOSITION 65 WARNING WARNING:Cancer and Reproductive Harm-www. The above SPICE models for various valves and most of these models are for use with PSpice from Orcad. 12bh7a vs 12au7. The 12AX7 was originally intended as replacement for the 6SL7 family of dual-triode amplifier tubes for. Válvula con una simetría especialmente seleccionada y recomendada para equipos Hi-Fi y para antiguos amplificadores Ampeg SVT o los modernos Blackstar HT-5. 000 productos listos para ser enviados. The 12BH7 ECC99 Tube; The 6DJ8 6922 Tube; New Rectifier Tubes. Also included is a mint 9/56 RCA 12BH7A as pictured. I personally like the 12bh7 better than all the 12au7's I have tried. Take a look and make an order! started on 01/16/20. 12BH7 Ei RC Elektronske Industrije: Yugoslavia: double triode: 311,331byte: 12BH7 Tung-Sol: double triode 12BH7A RCA (RC30) double triode: 630,827byte. 12BH7/12BH7A vacuum tube is a medium mu dual triode originally designed as a driver in TV sets. 12au7 12au7a 12av7 12ay7 12bh7 12bh7a 12fq7 12fv7 12sn7gt 12sn7gta 12u7 14af7 14f8 19j6 1633 1642 5608a 5635 5670 5670wa 5687 5692 5694 5798 5844 5873 5964 5965 5965a 5967 5971 6021 6072 6072a 6101 6111 6189 6211 6211a 6350 6386 6414 6463 6690 6829 6832 6840 6854 6900 6913 6922 6947 ecc82 ecc86 ecc88 rk43 vt-163 vt-231 vt-99. 12AU7 medium mu tubes are widely used for pre and driver circuit. Look at the specs. 12au7jj $29. I replaced the 12BH7 with a couple different old RCA NOS in my HT5 combo and it was minimal change. 1 of 2 Go to page. ราคาต่อหลอด. Example) 6AH4, 6BX7, 6CK4, 6S4, 6BM8 triode connection, 6F6 t-connection, 6L6 t- connection, 6V6 t-connection, 12BH7A Shape & dimensional drawing. The 12bh7 supposedly draws more heater current, but they should otherwise be pretty similar as far as compatibility. Like other JJ tubes it has very low noise and microphonics. 5-watts and a maximum anode voltage of over 300-Volts. Válvula TAD 12BH7A STR Premium Selected. 5 watt 3 tube amp I built, the sound was a lot louder with more bottom end. 6 600 10 6BQ6GTA 12BY7A 12. The 12BH7 is a miniature 9-pin medium gain dual triode tube. Puede sustituir cualquier 12BH7. Brimar give the intended use as TV frame oscillator and frame output. NOS in original boxes. 3 mA 3640/3070 micromhos @ 14. Can you substitute a 12bh7 vacuum tube for a 12ax7 or 12au7 or 12at7 or 12ay7? Wiki User 2013-05-22 22:09:55. Catalog Datasheet MFG & Type PDF Document Tags; 12bh7 tube. Made in England. R390 (non -A) Notes - The R-390A Frequently Asked Questions Page misc R390/URR notes page 1 R-390/URR THE VOLTAGE REGULATOR FUN AND GAMES in R390/URR by Dave Medley Probably the most pesky part of the R-390 non-A radio is the audio chassis which also contains an elaborate voltage regulator. PAIR OF 12BH7 & 12BH7A Tubes, Haltron Brand, NOS - $49. 真空管専門店 ヴィンテージサウンド: : 真空管交換-真空管の互換性 - プレミアム真空管♪♪♪ 210日保証 72時間エージング済 ヴィンテージ管 ecommerce, open source, shop, online shopping. uses for 12BH7A tubes? the 12BH7 is the only tube that'll do the job, so it seems to me it would find a better home with folks who can't sub something in its place. To make things easier to find, I've listed all the equivalents from the header, so some files will be duplicated. Italian 12BH7 12BH7A Vacuum Tube Valve NOS-Testing The only things that prevented us from listing this unit as excellent condition is some minor light. Hyundai Genesis - $2,249. 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. Commonly found in Hammond organs and tone cabinets. I love and appreciate tube based audio gear and own sixteen pieces of tube gear between my two reference systems. 12BH7 / 12BH7A RCA 1954 - 1960 "Black Plates" (smooth and rich sound, recommended for MAC gear) - Mapletree Audio Design Ear+ Purist HD2 2007 - Manley Neo Classic 250 mono amps - Audio FSK amp - McIntosh MC30 - Bottlehead Crack with Speedball - PAIRS SOLD OUT 12BH7 / 12BH7A RCA 1954-1960 with 3 different black plate styles 12BH7 / 12BH7A RCA black plates 1950's (3 tubes on left) and gray plate. Made in USA. Both tubes test as new with low noise. Made in Russia, these premium driver tubes are compatible with any 12BH7 tube. Canadian buyer, please read the "shipping" at the end. Premium driver tube for Hi-fi tube amps. Tried and tested design from the same factory as the classic Tesla tube. What tubes are in the top tier for this group? 2. 12BH7 Ratings. 7 mA Bogey(100%) = 3100/3100 micromhos @ 11. Always tested, matched & guaranteed. The white or red print on the glass has the GE logo. All those tubes are double triodes, but their characteristics. That tube was designed to be used for a vertical deflection amplifier for a TV. Compralo en Mercado Libre a $ 4. , Antique Audio Service Centre : Black Gate - CDs Electron Tubes Capacitors - Brands Transformers - Sorted by Brands Fuses Preamplifiers AC Plugs / Sockets Speakers Amplifiers D/A Converter / DAC CD Players Tuners Resistors - Brands Resistors - Types. en dephaseur j'avais des groove tube que j'ai replacée par des 6189 RTC nos,pour les 12ax7 j'ai des groove tube:12ax7r que je vais remplacer par des tung-sol ecc803s gold pin (commandés avant d'avoir une reponse) et en driver des groove tube 12bh7 qui seront bientot remplacées par des rca 12bh7a nos commandées hier,ribbed grey plates and. I have 1 NOS G. ECC99 SRPP Headphone Amp. Abstract: 12BH7 12BH7A 12BH7-A 12BH7A tubes 12BH7A tube TUBE 12bh7a 12bh7 general electric ET-T985. 12AU7 vs 12BH7 vs 6CG7. But you gotta listen - those in the know will tell you Brimar and their sister companies like Ediswan made BAD ASS stuff! I am warning you guys; this tube is going to be $150 sooner or later! OK kiddies…. Abstract: 12BH7 12BH7A 12BH7-A 12BH7A tubes 12BH7A tube TUBE 12bh7a 12bh7 general electric ET-T985. JackD201 WBF Founding Member. Thanks for great service. My McIntosh MC240 uses 2 12BH7 tubes in it. A new tube recently introduced by Tesla/JJ, combines electrical characteristics similar to 7119/E182CC (high transconductance and low plate resistance) with a pinout the same as 12AU7/ECC82 or 12BH7. 1 of 2 Go to page. Packed in generic white boxes from bulk. 12AU7 & 12BH7 types 12au712ec615. If you only need a little warmth, the later RCA black plate foil/square getter 12BH7A are the ticket; if warmth is not required, the black plate Tung-Sol 12BH7A is quite good. This is a list of vacuum tubes or thermionic valves, and low-pressure gas-filled tubes, or discharge tubes. Apr 21, 2010 11,566 537 390 Manila, Philippines. It got a little bit thicker toned, just noticeable. Amperex 12BH7A (Orange World): calidad de sonido sin adornos. FYIits from page 19 of the "Ask Myles or Chad" thread in the experts section. The 6FQ7/6CG7 is my favorite in the Aikido line stage as an input tube. 12AU7 is similar to ECC82 and 6189 and can be used interchangeably. Most SPICE model links are to Dave Cigna's stash of SPICE models provided by Francesco Piazza- these are marked DC. JJ Electronic - Vacuum tubes, Capacitors, Amplifiers. The 6FQ7's in a RCA clear top will in most cases out shine the 5692's. We are a leading provider of 12bh7, find a wide and ever-changing deals for sale. 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). I'd recommend selling it to someone with a McIntosh tube amp, an SVT or a headphone amp that uses them as output tubes. Found 200 records in Search of Tubes Asylum. 06DG 00 00A 01 01A 01AA 01B 01K 04TH 054V 06F90 06P2B_cccp 06Z6B_cccp 084_Fiv 09 091 09D 09J 0A2 0A2WA 0A3 0A4 0A4G 0A5 0B2 0B2WA 0B3 0C2 0C2. TUBES: 4-KT88/6550 output, 12AX7, 2-12AU7, 2-12AZ7, 2-12BH7. Encontrá Valvulas Electronicas 12bh7 A Nos en Mercado Libre Argentina. 12BH7 and ECC82 have amplification factors of about 17 being more like the 12AU7. All prices are per tube. Kind Regards Steve West 6V6G/T/A/Y. 12bh7a vs 12au7. There are a lot of great 12AU7 tubes, but I can't speak to the 12BH7. If you think in terms of gain (mu), the 12BH7-A would be similar to the 12AU7. 5687 looks good on paper and is fine for some things but when I tried rewiring an Altec 1569 to use them, there were problems with excessive control grid current tossing the voltages off. Comparar lista; Lista de deseos. I've had trouble finding these listed lately, AES only lists used ones in their latest catalog. very good physical condition and perfect working condition. sylvania 12bh7a 12bh7 Is Similar To: 5ar4-gz34 Sylvania Nos-nib Tube Lot (68. Cryo 12BH7 / 6350 Cryo 12DW7 / ECC832 Cryo 5751 Cryo 6922 / 6DJ8 / E88CC / 6N1P Cryo 6C45PI Cryo 6CG7 / 6FQ7 Cryo 6H6P / ECC99 / E182CC Cryo 6N23P-EV Cryo 6N30P Cryo 6SL7GT / 5691 Cryo 6SN7 / 5692 / 6H8C Cryo EF86 Super Cryo Preamp Tubes Cryo Power Tubes-> Cryo Rectifier Tubes-> NOS 12AT7 NOS 12AU7 NOS 12AX7 NOS 12BH7 NOS 6922 / 7308 / 6DJ8. All tubes are carefully tested and selected. The older 12BH7's seem to be without the "A" designations, but the 1950's and later are usually "A" designated (at least in the RCA's, anyway). Shop with confidence. Tube Amp Doctor 12BH7 EH (1) Artículo: GIT0011129-000. en dephaseur j'avais des groove tube que j'ai replacée par des 6189 RTC nos,pour les 12ax7 j'ai des groove tube:12ax7r que je vais remplacer par des tung-sol ecc803s gold pin (commandés avant d'avoir une reponse) et en driver des groove tube 12bh7 qui seront bientot remplacées par des rca 12bh7a nos commandées hier,ribbed grey plates and. 12BH7/12BH7A vacuum tube is a medium mu dual triode originally designed as a driver in TV sets. But the 12bh7 is more neutral, dynamic and resolving in my amps. 6 300 600 10* 12BY7 6. 67) Posted by jangerer on 2002-03-28, 14:36:22 (206. 60mm Katal. Like other JJ tubes it has very low noise and microphonics. The 12BH7 plate resistance is lower and so is the amplification factor. Show Details. The 12BH7 requires no circuit modification to substitute for a 12AU7, but the plate resistance is a little lower (5300 vs 7700). Tube 12BH7A or Röhre 12BH7A ID5311, Double Triode, Noval, B9A and shown. 133: 12BH7A vs 12BH7 (6. 12BH7 Page 1 of 4 Telephone: +381 18 550 741 12BH7 is A. The JJ Electronic 12BH7-A is a faithful reproduction of the original tube. BILLINGTON EXPORT LIMITED CHRISTMAS HOLIDAY NOTICE We close on Monday 23 December and re-open on Thursday 2 January 2020. I have a Cayin HA-1A and which uses 12AX7, 12AU7 and two EL84. 12BH7 Ratings. Limited Quantity Available, New Old Stock, Not for Export. The 12BH7`s are much taller than the 12AX7`s and I`m anxious to try these tubes out if I can SAFELY try these 12BH7`s in V1,V2,V3,or all three "V" positions. It has a much lower Gain output at 60, but what you lose in Gain you get back with more headroom, higher fidelity, and an increased current output. 6 600 10 6W6GT 25CD6GA 25 600 10 25CD6G *Applies to 600 Ma connection only. This 1960s GE 12BH7A tube has a halo getter and gray plates with copper grid posts. These tubes are NOS and new in the box. The JJ Electronic 12BH7-A is a faithful reproduction of the original tube. Skip to content. 1590 West Algonquin Road #111 Hoffman Estates, IL 60192 Voice Phone 847-496-4546, Monday-Friday 8AM to 4PM. Vibroverbクローンに実際に搭載して12AX7タイプの三極管を比較試聴して印象をまとめてみました。. Read 72/76 & 76. A prime choice for all audio applications. In most cases the tubes manufactured to the European system have an exact equivalent tube in the American system and vice versa. This is a suitable replacement for any 12BH7 tube type. Search store. PDF Author: Unknown Created Date: Tuesday, April 09, 2002 9:50:08 PM. I need some help here. 00 + AU $24. Its rugged construction offers high reliability. 1; 2; First Prev 2 of 2 Go to page. NOTE: Etched Codes can be hard to see on some of the tubes. Gift Card 2020. Mutta vahvistus paljon pienempi kuin 12AX7 (alle 20 vs. Take a look and make an order! started on 01/16/20. 2x RCA (think these were Sylvainias) 12BH7A grey plates (matched pair) really nice - put in pre 2x RCA (think these were Sylvainias) 12BH7 black plate (matched pair) - paid about $100 for those 9 tubes 2x Vintage GE 5751 GL 3 Mica Black Plates D-Getter Stereo - 1953 - paid $113 - put in pre. Nueva producción de este tubo conductor de alta fidelidad. This makes it ideal as a driver for power tubes in modern audio amplifiers. I have recently ordered a spare set. txt) or read book online for free. 3 mA 3640/3070 micromhos @ 14. Ciao a tutti, vorrei porre quì una problematica, mi sto apprestando a modificare l'amplificatore che ho preso, da progetto Uesugi, con valvole 211. Parece tener un buen nivel de detalle en todo el rango de bajos, medios y altos. I love and appreciate tube based audio gear and own sixteen pieces of tube gear between my two reference systems. 00 Buy Now 12BH7A-GENERAL ELECTRIC General Electric The Original U. Sylvania 12BH7 plate pequeño. Sylvania 5ar4 gz34 tube.