raytheon 12ax7 grey plate

Raytheon 12AX7's…$95.00. The 1970s new logo version (and the late 1940s-1950s version with the white label) of the RCA 12AU7 has greyplates and a top getter. Electroharmonix 12AX7/ECC83 Electroharmonics current production. TESTED VINTAGE RAYTHEON 12AX7A / ECC83 GREY PLATE HALO GETTER JAPAN Unspecified. Don't be fooled by "other" 12DT7s: Raytheon is the only manufacturer that made these. Auth Key Certificate unique auth key is: Old stock plain jane Sylvania 12AX7 grey plates were sooo much better in both applications I tried them in. ... ” The GE Black plate 12AX7 (and 5751) have an enchanting and beautiful sound. I agree with many that while Joe nailed the 5751 characteristics so well, he dissed on 12AX7 in comparison. Sylvania 12AX7's, 1950's 14mm grey plates…$125.00 . Free shipping Free shipping Free shipping. General Electric 5751 - 12AX - ECC83 Triple Mica, Grey Plate, Great Tubes Matched Pair .. $119.99. There are several variations of the 12AX7. Tung-Sol 12AX7's, 1950's 17mm tubes…$130.00. TEST RESULTS ARE SHOWN IN PHOTOGRAPHS. This tube is also like a 12AV7 and will work wonders in any 12AT7 spot, and may be just the ticket if you want to boost the gain of a … The plate stubs sticking out of the bottom mica are shaped differently so there not exactly the same tube. $29.50 ea. Sylvania 5751 Gold Brand Gray Plates Triple Mica. This grey-plate RCA is about the best bargain you can get in a vintage RCA 12AU7. I do have some Raytheons as well. Rating ... of Electro-Harmonix 12AT7 / ECC81 Vacuum Tubes The large plate format 12AT7 has a slightly lower voltage gain than its 12AX7 counterpart coupled with a higher plate current -... Add to Cart. Raytheon 12AU7 - long black plates. US Seller Fixed Price $ 19.99 +$7.00 shipping. Brand New, MINT NOS Early 1960s Raytheon Military Production JAN-CRP 12AU7 with Long Gray Plates and Square Getter. Many people want hot gadgets with lots of features and toys and cutting-edge technology. I haven't heard the RCA black plates as they cost way more than I'm willing to spend on a tube. I have tried various Black Plate 12AX7's in quite a few amp models and always yanked them out after awhile. The plate voltage is around 100 volts vs the RCA that operates at 200+ volts in other gear. Add to Cart. 1 (3 votes, average: 3.33 out of 5) ... ” As a class of tubes, the black plate Raytheon are truly superb–equal to the best of the RCA. Raytheons 12AX7A are spendy, when you can find ‘em. Fast Company inspires a new breed of innovative and creative thought leaders who are actively inventing the future of business. Matched Pair Raytheon USA 12AT7 [ECC81] Grey Plate O Get Tubes 99/101 & 98/95%. I had Raytheon gray and black plate 12AX7 (Japan, US, Taiwan)...all nice builds/construction. Loading... “I can’t remember who, but some here recommended that I try out a Raytheon 12AX7A in my V1 instead of the RCA I have in there. 1MP 6SN7GT RCA NOS NIB Grey Ribbed Plate Made in Italy Amplitrex Tested#956003&18 6SN7GT / B65/ 6F8G/ VT231 / BL63 / VR102 , Pre Amps Tubes , RCA , Tube By Brand Up for Sale 1 Matched Pair(2 pcs) 12AX7 Raytheon: Raytheon brand or made by Raytheon GRAY PLATE. I have a couple silver plate triple triodes in my stash. Vintage Mullard 12ax7 tube has awesome midrange and bell tones on the highs then it has 3D over drive to die for and V1 clean it sets your tone up if as this is a good idea ! PDF. Tested and matched on Top of the Line Calibrated Hickok 580 Lab Grade Tester. I've looked at the EIA code list & I'm stumped. 12ax7 raytheon long plate nos valve tube (lc34) $12.00. Vintage Audio and Video Electronics for the Collector. But as is rule, tubes behave differently in different amp circuits. There are several variations of the 12AX7. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. Ed. 5751 JAN GRAY PLATE. Box:Raytheon Box in Excellent Shape. Nicely matched pairs. Aviation History magazine is an authoritative, in-depth history of world aviation from its origins to the Space Age. The GE black plates and gray plates in both versions 2 mica & 3 micas though they are wonderful all of them the Tungsram for the CAL are simply the best combination of bass definition, mids liquidity and top end purity creamy and lively qualities. Value-Added Tube. +C $54.64 shipping. ECC88/6922/6h30 6N1P שנת 1958. Re: Raytheon vs. Baldwin 12AX7 - same tubes or not? Short 14mm Grey Plates. I cannot speak for the gray plates as all mine are black. or Best Offer. What are the effects on 12AX7 tubes of having long or short plates, if any? Brand: Raytheon. Name ... of Electro-Harmonix 12AT7 / ECC81 Vacuum Tubes The large plate format 12AT7 has a slightly lower voltage gain than its 12AX7 counterpart coupled with a higher plate current -... Add to Cart. New Matched Quad (4) Electro-Harmonix 12AX7 / ECC83 GOLD PINS Vacuum Tubes. VIVA TUBES Vintage NOS & Used Vacuum Tubes. I have a 12AX7 tube that is clearly labeled as Sylvania. 3 Special Survey of ITT Corporate Divisions TECHNICAL … Raytheon Black Plates! Raytheon made some of the very best American tubes. In generic white boxes from bulk. The tube tests very high with readings of 1400/1500. Do 12AX7 tubes with long plates have more gain than the same kind of tubes with shorter plates? These tubes can then attach to almost any stock sound system to improve its quality. I do not hear much difference in the gray or black long plate, but the black plate have a tendency to get noisy whereas the gray plate does not. Strong Testing Match Pair Of Black Plate Raytheon 12AX7 Audio Vacuum Tubes. C $80.17 + C $7.52 shipping + C $7.52 shipping + C $7.52 shipping. JJ 12AX7/ECC83 Nice sounding modern production tube from JJ with small JJ plate structure Small plate. My BIN is a good deal. מומלץ לבדוק תאימות עם היצרן. The 1960s Raytheon 12AU7 tubes in this precisely matched pair were made in the USA. It has been tested for shorts, gas, and transconductance. $74. Raytheon 12AU7 - long black plates, matched pair. ... What is the plate structure and color? I really like the sound from the USA Raytheon 12AX7 long black plates. The yellow print on the glass is labeled for Baldwin organs … spec. You might consider: Amperex 12AX7/ECC83 TFK 12AX7/ECC83: Smooth or ribbed plate Raytheon Black Plate ..... 13: RE: New tube amp uses 12AX7 preamp stage - any favorites ... and I gave them away after trying to like them for a few months. Tung-Sol 6681/12AX7A's, 1960's 17mm production…$135.00. It was on the power amp chassis. 12AX7. All of the 12A_7's were long plates, and they all date to 1961. Unlike the E180CC, this tube was made in the U.S.A. $159. Comments Required. Vintage single plate sound quality at an attractive price. Used – Mint. Tested Good For Gain, Transconductance, Noise and Microphonics : $49 ea: 12AX7 Raytheon: Raytheon brand or made by Raytheon BLACK PLATE. Most (maybe all) … 21.Raytheon /Lowery labeled 12AX7A- Grey plate Halo getter-6-$7.50 each 19.Phillips ECG 7025/12AX7 Long grey plate halo getter-1-$15.00 20.Tung-Sol … The yellow print on the glass has the Raytheon logo (partial/missing). Shipping: Calculated at Checkout. In generic white boxes from bulk. It was made in 1972 in the Netherlands. Raytheon 12ax7 Black Plates. All used/tested 12AX7 sold by THE TUBE SHOP are tested for noise. Immediate news of car thefts, escaped prisoners, bad check artists. High Mu Twin Triode, Grey Plate Audio Tube New Old Stock * No longer available for export MRF: Motorola SKU: 12AX7-Moto. RAYTHEON JAN JRP 12AX7 Short Gray Plates USA. Tram d201 or d201a cb radio bottom plate with factory feet. New Old Stock in original and white box. These tubes are also hard to find in the USA. Many made by Ken Rad, Raytheon, and Tung Sol. Single Tube = $40. valves. Grey plates, and standard 2 mica, these are factory selected tubes and are rare. Excellent, 1960s vintage long lived 12AU7 types with the distinct European vintage flavor that a modern tube just cannot capture! Add to Cart. Medium print wear. 12AX7 JAN Raytheon, Tung Sol BLACKPLATES. $190 $31 price drop. This tube was tested on my calibrated 539C. The 5751 Windmills and the 12AX7 black plates whether they Raytheon or RCA,along with the 12AX7 smooth plate Telefunkens are the best sounding 12AX7s ever made IMHO. You might consider: Amperex 12AX7/ECC83 TFK 12AX7/ECC83: Smooth or ribbed plate Raytheon Black Plate ..... 13: RE: New tube amp uses 12AX7 preamp stage - any favorites ... and I gave them away after trying to like them for a few months. Thnaks in advance for your input. It doesn't have the right EIA code, which is supposed to be 312. These were manufactured in the 1950's and have long grey plates, and 7025 is sandblasted/etched in the glass. Raytheons 12AX7A are spendy, when you can find ‘em. Raytheon 12AU7 - long black plates, matched pair. This is a very low noise, seldom seen 12AX7,from France with the rare 1950s long plates. I found out these fantastic black plate 12ax7 -5751 tubes were much better than the descriptions indicated. It's catching on somewhat as of late and like Steve said,try it and let us know. This photo, released by North Korea's official Korean Central News Agency on Sept. 30, 2021, shows Kim Yo-jong, North Korean leader Kim Jong-un's sister and currently vice department director of the ruling Workers' Party's Central Committee, who was elected as a member of the State Affairs Commission, the country's … In the case of the Raytheon 12AX7, the plate is a distinctive shade of black. ... 1950's Raytheon 12AX7 ECC83 Black Plate Tube, Tested. Add to Cart. $219.99 per tube 7025 is a 12ax7 special quality-low noise tube with spiral wound filament for low hum. 2 x 12AX7 Raytheon/Baldwin Tubes*Long Black Plates-O*Very Strong*1960's Used. In my amps, these Raytheon grey plate 12AX7A sound every bit as good as the coveted long black plate Raytheon 12AX7A. Joined: October 11, 2008. Raytheon made some of the very best American tubes. Matched pairs just $140.00! 12AX7 early 1950s RCA made longplate greyplate (all longplate types), white or orange label, some low noise screened for Wurlitzer, Baldwin, Lowrey, and other organs and amplifiers, other OEM brands. New Old Stock in whiteboxes. Issue 6.1 (March 2004) Thematic Issue: Shakespeare on Film in Asia and Hollywood. The open sound with detailed, but not edgy midrange is to die for. Amperex 12ax7 ECC83 Tube Pair 1964 Gray Plate O Getter Holland TEST 85%. most all have poor labeling and could benefit from a bath in soapy water. In particular there are "Raytheon" tubes in "Raytheon" boxes that have the Good Housekeeping Seal of … I've heard that Raytheon made a bad *** 5751 as well. (1) 12AU7A Raytheon USA, white boxed; grey plate square getter tube, ANOS for $24.50. The red print on the glass is labeled for Hammond organs (partial). Tests NOS Matched Pair Raytheon 12AT7 [ECC81] Grey Plate Fat D Get Tubes. Hey folks, Is there any significant sonic difference between the early-60's black and grey plate Raytheon 12ax7's? Lot of grey Raytheon were actually japan made in later years. They may still be Raytheon, just a different version/year. The 12AT7 also has a gain factor of 70, but since the plate resistance is different, the 5751 is closer to the 12AX7. Tested Good For Gain, Transconductance, Noise and Microphonics : $49 ea: 12AX7 Raytheon: Raytheon brand or made by Raytheon BLACK PLATE. Delete You must be logged in and a Protection Pro member to do manual deletions. Price: $79.00. Brand New, MINT NOS NIB 1962-63 production Raytheon Military Production JRP-12AU7 with Long Gray Plates and Halo Getter. pre-amp tubes come with gray plates and top round getters. Rating ... of Electro-Harmonix 12AT7 / ECC81 Vacuum Tubes The large plate format 12AT7 has a slightly lower voltage gain than its 12AX7 counterpart coupled with a higher plate current -... Add to Cart. I've got GE gray plates and RCA black plates. $20.00. These feature the rare long black plates. 1972 Amperex 12AX7 12AX7A ECC83 Tube, NOS TestingThis tube has gray plates and a halo getter. The RCA's are nothing special IMO (although they are still better than most 12ax7's) and the GE 3 mica grey plates are too mid-bass heavy for me. 100% guarantee that our tubes will arrive as described and sound great. 12AX7.027. Sylvania 12AX7's, 1950's 14mm black plates…$125.00 . ----- TABLE OF CONTENTS VOLUME I Section 1. In most cases, they can all substitute for each other. quick view. Enter qty 2 for a matched pair. JAN Raytheon 12ax7. They have View attachment 934027 These are the #s, but they don't correspond as a Syl tube. 100x RAYTHEON Subminiatur-Pentode JAN 6418, NOS (neu), in OVP. 12AX7.024. Amperex 12ax7 ECC83 Tube Pair 1964 Gray Plate O Getter Holland TEST 85%. In general, black plates have a warmer, more complex, harmonic and fuller sound than US gray plates. Is the Raytheon 12ax7 JAN 1960 a good tube to use in V1 or does anyone have any other recomendations? NEW (NOS) Produced in the 1960's. Out of thousands of tubes I have exactly one silver plate dual triode. $67.00. Rating Required. I've used both the ladder plates and 5751 type plates. Add to Cart. Amperex-raytheon- tungsol - all black plates except the amperex 12ax7 that's a grey plate. Fixed Price $ 78.99 Valvo Hamburg and early LP Philips are excellent (all EU tubes are grey plate). In most cases, they can all substitute for each other. For good reasons--awesome tonally & famously rugged & long-lasting! 5 watchers. That is why the RCA 12AX7 black plate are expensive. The tube on the left is a greyplate 12AU7 Sylvania. For good reasons--awesome tonally & famously rugged & long-lasting! true for Sulvania 5751, as in Joe's review. New Old Stock, original Box. Sylvania 12AX7's, 1950's 14mm grey plates…$125.00 . Apr 22, 2013. EH 12AX7. TESTED ON A TV-7 TUBE TESTER. This Ei ECC83 / 12AX7 tube was made in pre-war Yugoslavia and labeled for other companies (Audio Research Corporation, RCA, Raytheon, etc.). 9 S U 8 5 p o n 4 9 U X s A o 3 r J e d. Results matching fewer words. Raytheon 12AX7's…$95.00. (4) ECC82/12AU7 RFT NOS in white boxes, all are low noise/microphonics and have balanced triode sections; very nice tubes! Plenty of Pictures for You to Decide on the Condition of This Tube :-). Good bass and not a tizzy top end. My BIN is a good deal. שפופרת מאוד קרובה ל-6922 אך צורכת 70% יותר זרם בפילמנט. MATCHED PAIR: NOS in white boxes. Price: $79.00. Tested on Enhanced Triplet E3444 Laboratory Tester prepared by Paul Hart of Ga. Tests NOS Raytheon Japan 12AX7/ECC83 Gray Plate O Get Vacuum Tube. Its MU of 70 puts it closer to a 5751. Brand New, MINT NOS Early 1960s Raytheon Military Production JAN-CRP 12AU7 with Long Gray Plates and Square Getter. Grey plates always sound to me airier and warmer than BPs, esp. Rare dual black box plates, clear glass bottle. See chart below for all the variations. 12AT7 Tung Sol, Raytheon and Ken Rad brands, blackplate, "wing shaped" black plates with square getter, old logo on white or yellow label, 1950s. Posted on March 20, 2012 by tubemaze. 宝塚の広告企画会社クルーズが年に4回発行している地域コミュニティ情報誌ComiPa!（コミパ！）
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情報提供してくださる方・バナー広告主様も募集中です‼ Scarce Raytheon 12DT7 black plate tube. N. Korea's parliamentary session. Sylvania JAN 5751 / 12AX7 - gray plates, halo getter. USED/TESTED 12AX7. MATCHED PAIRS ARE $80.00! Brands include Raytheon, Tung Sol, among others. These are quiet, factory screened tubes, similar to the Amperex 6201 classics. All are military stock, most grey plates and some are triple mica. Free shipping Free shipping Free shipping. Not as much gain as the 12ax7, but I don't notice a difference. View attachment 934028 Underneath the 12AX7 label there is a another that reads H7V. 2 NOS RCA 12AX7/A (ECC83) Grey Plate Strong & Balanced Gm Matched Pair Vintage USA Vacuum Tube. Get all of Hollywood.com's best Movies lists, news, and more. $99.88 previous price $99.88 40% off 40% off previous price $99.88 40% off. C $80.17 + C $7.52 shipping + C $7.52 shipping + C $7.52 shipping. What is a grey plate 12AX7 tube? otherwise), dating around 1949. They're pretty rare, I only have a very small quantity on hand. I like the GE's better. The 5751 has the same plate resistance as the 12AX7, but the gain factor is only 70 compared to 100 for the 12AX7. 12AX7A GRAY PLATE. rich and detailed sounding tube. Joined: May 2, 2008 Messages: 8,610 Likes Received: 2,879 Location: Between Memphis and Nashville. Location: Indianapolis, Indiana. Very rare aircraft/hospital grade versions of the 12AX7! 2. MFR: Raytheon. Tube tests as new with low noise. I've used both the ladder plates and 5751 type plates. Pick up the 5751's. $29.95. Read. These have square top getters and grey plates, with the old yellow Westinghouse label of the early 1960s, some RCA made for DuMont, and on some and blank labels with U.S.A. frosted into the glass. Used – Excellent. Discussion in 'Marshall Amps' started by Adrian R, Nov 9, 2012. I think it's a 12AU7. These miniature glass 9 pin tubes have long gray ribbed plates, thick mica supports, and top getters. The Tube on the left is a Raytheon blackplate 12AX7 and was the only blackplate in the organ. Raytheon made some of the very best American tubes. Good bass and not a tizzy top end. TEST RESULTS ARE SHOWN IN PHOTOGRAPHS. 12AX7 / ECC83 / 5751. Joined: October 11, 2008. 2 Telephone Interviews and Field Visits 3. TESTED 45/46 WHERE MINIMUM GOOD VALUE IS 32/32. Review (mpn: 12AX7 for sale) 12AX7 Raytheon Tall ECC83 Long Gray Plates Vacuum Tube 1260 1000 Mhos 1.0 95MA RCA Tubes can be accurately matched for gm plate current at the manufacturers specified test points or other ma results mhos are tested in accordance with specifications measurements closely a laboratory tester built to rigorously … So don’t snooze! Postcolonial Studies in the Twenty-first Century: A Book Review Article of Literature for Our Times & Reading Transcultural Cities Alejandra Moreno Álvarez Brand New. 65% = 1400 mmhos on this tester for ECC82/12AU7. Articulation is excellent, though not as detailed as the TungSol. Old stock plain jane Sylvania 12AX7 grey plates were sooo much better in both applications I tried them in. The tube in the middle is a Sylvania 12AX7 grey plate. ... NOS-12AX7-JANRAY Consistently rated as one of the best sounding US made 12AX7, the JAN Raytheon 12AX7 Black Plates is a top contender for both smooth mids and lush top end. Condition. Sylvania 12AX7's, 1953 production, very early 17mm black plates…$125.00 . Review Subject Required. Raytheon chased tube manufacturing into odd corners of the globe as U.S. demand and production wound down in the '80s. C $24.99 + C $8.71 shipping + … Gray Plates. Product Code: 12AX7 - ECC83 - B759, CV4004, Availability: In … Click to login.For more info visit the FAQ. Raytheon NOS Raytheon USA 12AU7 [ECC82] LONG Gray Plate Side [] Get Clear Top Vacuum Tube Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) $12.95. I haven't heard the RCA black plates as they cost way more than I'm willing to spend on a tube. The 5751 plates are a little more solid. 12AX7 Raytheon: Raytheon brand or made by Raytheon GRAY PLATE. Strong Testing Match Pair Of Black Plate Raytheon 12AX7 Audio Vacuum Tubes. G-3; Tram d201a cb radio top cover - Tram d102a top cover. This 1961 Raytheon 12AU7 tube has long gray plates and a halo getter. Posted on May 8, 2012 by tubemaze. So don’t snooze! It has gray plates with copper grid posts and a halo or disc getter. SKU: AT548 UPC: 12AX7 MPN: 12AX7 Availability: Ships in 1 business day or less. dict.cc: Wörterbuch für Englisch-Deutsch und andere Sprachen dict.cc möchte es seinen Benutzern ermöglichen, ihr Wissen mit anderen zu teilen. The Raytheon black plate 3 mice (1961) They, soundwise, blow away any Russian reissue I've heard and that's most of them. Price = $70 per Matched Pair. G-3 They emphasize even order harmonics rather than the fundamental tone. I cannot speak for the gray plates as all mine are black. I find them a good linear tube. יכולה להוות תחליף גם ל 6h30 וגם ל 6n6p. Wenn eine bestimmte Englisch-Deutsch-Übersetzung noch nicht im Wörterbuch enthalten ist, kann … Tube tests as new with very low noise. 1 x 12ax7 Sylvania/Philco Tube *Black Plates*D Getter*Very Strong & Bal*1954* ... Strong 1954 GE 6SN7GTA 2500/2200gm Grey Plates Copper Grid Serious Tubes N64. The 5751 plates are a little more solid. Brand New. Name Email Required. Description. I will focus on gray plates – I actually prefer the sound of gray plates to black plates – it’s much creamier. A new teletype recently installed in the Glendale Police Station, is keeping the department alerted on crime in the four-state area of Oregon, California, Nevada and Arizona. Marshall 2525C Mini Silver Jubilee 1x12" 20/5-watt Tube Combo Amp. This military spec Sylvania 5751 tube is a lower gain equivalent for the 12AX7. Another good colorful tube is the RCA grey plates which may break up a little early for some folks ! Tested and matched on Hickok 752, just recently calibrated and modified by Hickok expert to all Solid State to eliminate drift. These miniature glass 9 pin tubes come with long gray ribbed plates, four stout copper posts, and top halo getters. 12ax7 raytheon grey plate nos valve tube (lc8) £ 50.00. add to wishlist. Product Code: 12AX7 - ECC83 - B759, CV4004, Availability: In … What I don't like is real high mids and high trebles. For some reason a Telefunken 12AX7 ribbed plate sounds better in a Pioneer SX-34. C $24.99 + C $8.71 shipping + … Others prefer to use tried-and-true products, many of which are no longer produced or supported. I find them a good linear tube. Sylvania 12AX7's, 1953 production, very early 17mm black plates…$125.00 . $19.95 + $6.95 shipping + $6.95 shipping + $6.95 shipping. 12ax7 gray plate Great sounding double triode audio tubes manufactured in the United States by renowned Sylvania. today i sorted 12ax7's and these are some used pulls i decided to sell. - Tram d201 or d102a bottom plate with feet, it will fit both. US Seller Fixed Price $ 19.99 +$7.00 shipping. I have long collected this tube and would say the top 5751's would be the Sylvania 3 mica grey (my favorite after the Raytheon), the Sylvania 3 mica black, the GE 3 mica black, and the Tung Sol. In my amps, these Raytheon grey plate 12AX7A sound every bit as good as the coveted long black plate Raytheon 12AX7A. They are glass engraved 12AX7, some with dot codes, and printed with various manufacturers names.

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