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$35.00 Shipping Condition: New Location: Tardeo S.O, India 6J5G L63 GEC Black Coated Glass Black Base. 6J5G L63 GEC. Black Coated Glass. Made in England. Amplitrex Tested Qty 1 Match Pair 2Pcs. Amplitrex AT1000 ... moreAdvance Digital Tube Tester, Hickok 752a tube tester, AVO Type 160.
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Free Shipping Condition: Open box Location: Brunswick, United States RCA 5814A - NEW in BOX / TESTS NOS. They are known to be very quiet and ALWAYS test very consistent side to side and tube to tube. Triple Platinum Matched ... moreon Amplitrex AT1000. Amplitrex AT1000 Test Results 90%+ GM = Within NOS Specs 90%+ EM = Within NOS Specs.
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Free Shipping Condition: Unspecified Location: Easthampton, United States The much loved 12AX7-T MKII has been upgraded with better materials to improve the sound. You can expect a very rich, detailed and warm sound from these ... moretubes, even better than its predecessor. This tube has gold-clad pins for the utmost conductivity and longevity between tube swapping.
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$35.00 Shipping Condition: New Location: Tardeo S.O, India JAN-6SN7GT Sylvania 2 Hole Plate Amplitex Tested Qty 1 MP. No.1393054 T1 Ip mAdc=10.2 uMhos=3100. No.1393030 T1 Ip mAdc=9.8 uMhos=3200. JAN-6SN7GT SYLVANIA. ... moreAmplitrex AT1000 Advance Digital Tube Tester, Hickok 752a tube tester, AVO Type 160.
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Free Shipping Condition: New Location: Harrisburg, United States One HEINTZ & KAUFMAN 5R4GY Tube. Tub e Tested on an AMPLITREX AT-1000 Tester. Tube : New tube taken out of box to test. Value-Added Tube. Tube Surfaces ... morewere Carefully Cleaned. This Sale is for One Tube.
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$8.70 Shipping Condition: Used Location: Winston Salem, United States 3x used tested good (on my Hickok/WE tester) GE 866A tubes. 2 have loose bases.
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$5.43 Shipping Condition: New Location: Melrose, United States For sale is a ULTRA RARE Brimar 13D5/12au7/ECC82 LONG plates O-getter tube. Made in UK, 1971. Here you will find a wide selection of NOS and reissue tubes. ... moreTube 1: 2.2/2.2. All tubes are also tested for noise and microphonics.
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Free Shipping Condition: New Location: Whippany, United States GE would go onto acquire Ken-Rad in 1946. Silver printed logo bases, dual flat black plates, smoked glass. Outstanding sonics. Firm bases, excellent silvering. ... moreTubes are matched for structure and dynamic gain- test at 3450, 3450 where pass/fail is 1900 micromho.
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$5.50 Shipping Condition: Unspecified Location: Whitestone, United States Type 12AU6 vacuum tubes. >>>>>. Fantastic Tubes ! Have diamond logos '' molded as part of the underside glasses between pins. Yes, it's the real deal!
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$6.50 Shipping Condition: Unspecified Location: Whitestone, United States Hickok TV-7B/U tested. Hickok TV-7B/U is a mutual conductance (Gm) type tube tester. Tubes feature carbonized-black-oval-plates and bottom mounted 'Dimpled-D-Foil' ... moregetters construction. Tubes appear identical in construction.
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$8.96 Shipping Condition: Used Location: Melrose, United States For sale is a RARE Mullard 12ax7/ECC83 LONG plates tube O-getter. Made in UK, Blackburn factory. Date code: B9C (1959). Here you will find a wide selection ... moreof NOS and reissue tubes. Tube 1: 1.6/1.5.
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$5.85 Shipping Condition: Unspecified Location: Whitestone, United States Hickok TV-7B/U is a mutual conductance (Gm) type tube tester. Hickok TV-7B/U tested.
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$4.55 Shipping Condition: New Location: Sussex, United States Type: 1960 USAF 12AT7WA. Manufacturer: Sylvania Gold. The tubes need to get to you in one piece. Mutual Conductance: 4500/4350gm where 2500gm is minimum ... moreand 3750gm NOS. But this the way of the world now.
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$35.00 Shipping Condition: New Location: Tardeo S.O, India 12E1 CV345 EDISWAN "D" GETTER. 12E1 CV345 Ediswan Dual D getter Amplifier Tubes Amplitrex tested. MADE IN ENGLAND Amplitrex AT1000 Tested. Tested Advance ... moreDigital Tube Tester Amplitrex AT1000. We have various type of valves and tubes testers Like Amplitrex AT1000 Advance Digital Tube Tester, Hickok 752a tube tester, AVO Type 160.
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$35.00 Shipping Condition: Open box Location: Tardeo S.O, India Amplitrex tested 4 Pcs. Tested on Amplitrex AT1000 Advance Digital Tube Tester. Like Amplitrex AT1000 Advance Digital Tube Tester. Triple mica, clear ... moreglass. made in Germany. We specialized in thoroughly tested and screened quality.
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$35.00 Shipping Condition: New Location: Tardeo S.O, India Sr No.2386002. A FWD=50V A REV=411V. NOS NIB 6087 5Y3 General Electric. Tested on Amplitrex AT1000 Advance Digital Tube Tester. Amplitrex AT1000 Advance ... moreDigital Tube Tester, Hickok 752a tube tester, AVO Type 160.
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$35.00 Shipping Condition: Unspecified Location: Tardeo S.O, India NO.370013 T1 lp mAdc: 10.2 uMhos : 6300. NO.370017 T1 lp mAdc: 10.0 uMhos : 6250. AMPLITREX TESTED 1 MATCHED PAIR 2 Pcs. ECC81 MAZDA "O" GETTER MADE IN ... moreGERMANY. ECC81 MAZDA. Tested on Amplitrex AT1000 Advance Digital Tube Tester.
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$8.00 Shipping Condition: New Location: Brea, United States Both tubes are made in October 1967 in Germany. Matched Pair. Very strong NOS pair! with Gold Pin. Made in Germany. Fragile label is partially erased ... morefrom handling. where minimum good value is 7000.
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$6.65 Shipping Condition: Unspecified Location: Brea, United States Very Rare Early Made D-Getter 7308 Version. with Gold Pin. Very strong at NOS+ range! Made in USA. Made in August 1960in Hicksville, New York USA. Very ... moretightly balanced! I will almost always reply at least within 24 hours.
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$6.65 Shipping Condition: Unspecified Location: Brea, United States Made in March 1962 in Czechoslovakia. Made in Czechoslovakia. Tested in my preamplifier to make sure working as intended with no issues at all. ____ ______. ... moreDate Code: VM.
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$5.95 Shipping Condition: New Location: Kingman, United States Matched Pair RCA NOS 7060 Vacuum Tubes Tested 100%+. VACUUM TUBE TESTING. All tubes have passed the Gas and short tests. Rectifiers and Diode tubes do ... morenot have Transconductance values. Use the zoom function and have a good look.
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Free Shipping Condition: Used Location: Andover, United States Gray plates, copper rods, dual mica spacers, and side mounted D getter. The testers we use are Phil Frakes's Bitmatic computerized Cardmatic testers from ... moreTubesontheweb, the specific models are Western Electric KS-15874-L2's which were made for Western Electric by Hickok; we currently own two of these testers.
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$8.60 Shipping Condition: Open box Location: Kingman, United States Rectifiers and Diode tubes do not have Transconductance values. Use the zoom function and have a good look. It is impossible to describe every scratch, ... morescuff or mark. So take a good look. That is what they are there for.
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$9.60 Shipping Condition: Used Location: Barrington, United States For tube rolling fun, here are two early type 6SN7 vacuum tubes. Both are 6SN7GTA type made by Sylvania with the T or Triangular plates. One is made for ... moreTravler and reads 80-76, and the earlier Delco is the 3 hole Bad Boy variety and tests at 78-77.
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Free Shipping Condition: New Location: Blue Grass, United States For sale a single new in original box Mullard 6ER5 EC95 vacuum tube. 1958 Blackburn production. Tube carefully tested for transconductance, shorts, gas, ... morelife and leakage. No tube is sold that has any gas, leakage or fails life and strength tests.
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$6.65 Shipping Condition: Used Location: Brea, United States Matched Pair. Tightly matched pair! Made in Germany. Made in December 1970 & April 1972 in Germany. Label is erased from one tube. ____ ______. Tested ... morein my preamplifier to make sure working as intended with no issues at all.
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Free Shipping Condition: New Location: Whippany, United States Two, NEW in box, Sylvania manufactured 6SN7GTB tubes. Firm bases, excellent silvering. Tubes are matched for dynamic gain and structure- test at 3250-3250 ... moreand 3250-3187 where pass/fail is 1625 micromho.
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Free Shipping Condition: Used Location: Blue Grass, United States For sale I have a single excellent RCA Radiotron 1938 production 5Y3G vacuum tube. Tubes carefully tested for emissions, shorts, gas, life and leakage. ... moreNo tube is sold that has any gas, leakage or fails life and strength tests.
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Free Shipping Condition: Unspecified Location: Easthampton, United States The Tung-Sol 7581A is rated at 35 watts vs the standard 7581 or 6L6GC. This tube is directly substitutable with the KT66, in fact a 7581A IS a KT66. These ... moreTung-Sols were built to last with a very large plate structure and many heat dissipaters for maximum reliability.
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$35.00 Shipping Condition: Open box Location: Tardeo S.O, India ECC83 TFK "O" Getter made. New in Genetic White Box. in GermanyGenetic White Box Qty 1 Pc. We specialized in thoroughly tested and screened quality, vacuum ... moretubes. Diamond Bottom, Clear Glass. Amplitrex AT1000 Advance Digital Tube Tester, Hickok 752a tube tester, AVO Type 160.
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$6.50 Shipping Condition: Unspecified Location: Whitestone, United States For your consideration is one matched pair, genuine Sylvania made 6J5GT vacuum tubes. Hickok TV-7B/U tested. Hickok TV-7B/U is a mutual conductance (Gm) ... moretype tube tester. What i truly believe is any tubes bearing an octa gon shape on glass, with two capital letters (2nd letter must be 'M') and a number right between the two letters on the bottom (e.g.: A6M, B6M, C6M, C7M, G8M, F9M, A0M, F0M, A1M, B1M, E1M, F1M, G1M, H1M, D2M, F2M, K3M. and many more) would indicate a genuine product by Sylvania Electric.
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$6.75 Shipping Condition: Used Location: Kingman, United States NOS Testing RCA JAN CRC 1625 VT-136 Vacuum Tube Hickok Tested at 4300/3800. I also use a Hickok 752 /800/600 or Amplitrex AT1000 for testing. Tested as ... moreabove. This is where 3800 is the average NOS test value for this type of tube.
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$6.65 Shipping Condition: Unspecified Location: Brea, United States Very Early Made EL84 Tube. Closed Elliptical Getter. Made very early in August 1953 in Germany. Ultra Rare. Made in Germany. ____ ______. where minimum ... moregood value is 5650.
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$4.55 Shipping Condition: New Location: Sussex, United States Mutual Conductance: 1525gm where 640gm is minimum and 1000gm NOS. Manufacturer: Arcturus. But this the way of the world now. We are always looking to ... morebuy more tubes. Large collections, small collections, it doesn't matter.
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$6.50 Shipping Condition: Unspecified Location: Whitestone, United States Type 5814A vacuum tubes. One matched pair, circa 1960s, U.S.A made by RCA. Tubes feature black ridge platesand top-mounted 'halo-ring' getters construction. ... moreTubes appear identical in construction.
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$6.60 Shipping Condition: Used Location: Harmonsburg, United States RCA Clear Top 12AU7A Tubes. The print is as shown in the photos. All are produced by RCA. they are excellent tubes. I find that tubes out of organs always ... moretest NOS because they are not driven hard and only get used once a week for an hour.
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$8.00 Shipping Condition: Used Location: Buffalo, United States These tubes were tested on a Hickok 600 tube tester. All tubes tested NOS at between 1500 gm and 1800 gm.
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$8.70 Shipping Condition: Used Location: Roanoke, United States Used General Electric 6L6G vacuum tube – tested on my Hickok 6000A tube tester. Tests well into the good range and mutual conductance test indicates 5800 ... moremicromhos. The Hickok test data indicates a new tube should show 5000 micromhos.
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$35.00 Shipping Condition: New Location: Tardeo S.O, India ML6 VT105 MWT. Tested on Advance Digital Tube Tester Amplitrex AT1000. Amplitrex AT1000 Advance Digital Tube Tester, Hickok 752a tube tester, AVO Type ... more160. Made in England. Up for sale is 2 Pcs. Brown Base, Clear Glass.
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$50.00 Shipping Condition: New Location: Tardeo S.O, India VT62 801A RCA. Tested on Amplitrex AT1000 Advance Digital Tube Tester. Amplitrex AT1000 Advance Digital Tube Tester, Hickok 752a tube tester, AVO Type ... more160. 1MP 807 VT100 RCA=6L6 EL34 ”D” Getter Made in U.S.A Amplitrex Tested#542122&115.
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Free Shipping Condition: New Location: Harrisburg, United States Two Excellent GE 6EM5 Tubes. TV-7A/U Minimum for 6EM5 Tubes:25. Matched Construction. 38 & 40: 100% & 105%. Boxes:GE Boxes in Good shape for age. Tubes ... moreTest as Follows Value-Added Tubes. TV-7: The Average (for New) Tubes =38.
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$6.00 Shipping Condition: Unspecified Location: Whitestone, United States Type 12AX7 vacuum tube. (Triode#1/Triode#2). Tube features 17mm-long-gray-plates and atop-mounted 'Fat-D' sharp getter construction. Acid Etched Designation ... more(GE Font) Hickok TV-7B/U is a mutual conductance (Gm) type tube tester.
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Free Shipping Condition: New Location: Harrisburg, United States Two 12AQ5 Tubes. TV-7A/U Minimum for 12AQ5 Tubes : 46. Calculated % of NOS Tubes [%]: 104 & 108. The Calculated Average for NOS Tubes is : 71. Statistics-driven ... morewhen evaluating vacuum tubes > Certified Six Sigma Master Black Belt.
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$6.65 Shipping Condition: New Location: Brea, United States Radiotechnique (RT). Made in 4th & 19th week of 1967 in France. Matched Pair. Very strong and tightly matched pair! Made in France. Tested in my line ... morepreamplifier to make sure working as intended with no issues at all.
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$6.50 Shipping Condition: Unspecified Location: Whitestone, United States Type 6L6G vacuum tube. Tube features black plate, lightly-smoked glassand a bottom-mount 'Rectangular' getter construction. Hickok 539B is a mutual conductance ... more(Gm) type tube tester. Tube#1 5000. Date Code.
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Free Shipping Condition: New Location: Harrisburg, United States This Tube is Strong. The AMPLITREX Tester Seldom Reads a 6BJ6 Tube Above 90%. AMPLITREX AT1000. Tube Tested on an AMPLITREX AT1000 Tube Tester. NOS NIB ... moreRCA Pentode. Statistics-driven when evaluating vacuum tubes > Certified Six Sigma Master Black Belt.
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$5.00 Shipping Condition: Used Location: Buffalo, United States These tubes were tested on a Hickok 600 tube tester. RCA tube with date code MS and Pair with date code LX all tested 3000 gm and 6500 gm.
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$4.19 Shipping Condition: New Location: Yakima, United States Tested as shown on Hickok 533 Dynamic Mutual Conductance Tube Tester.
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$4.50 Shipping Condition: New Location: Highland, United States 2 x NOS IERC T-6 Heat Reducing Tube Shield This listing consists of 2 each NOS IERC part number T6- 1025 reducing tube shield with chassis mounting collar ... morefor tall size 9 pin tubes including 12BH7. 6CG7, EZ-81 etc. These taller shields can also be used with shorter tubes(12AX7 etc. for even greater heat reduction, which is what we do here! The open frame IERC shield offers greater temperature reduction than does the standard IERC shield! Excessive envelope temperature is the greatest detriment to the lifespan of vacuum tubes- these heat reducing shields will add hundreds of hours at the minimum to the service life of these rare and expensive vintage tubes! We have more IERC inventory than any ebay dealer- see our other listings for other IERC heat reducing tube shields. Please email us with any questions. Thanks for looking.While you're here. Please check out our other items.
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$4.55 Shipping Condition: Used Location: Sussex, United States Mutual Conductance: 1800gm where 1260gm is minimum. Getter: Top Fat "D". Manufacturer: CBS. The tubes need to get to you in one piece. But this the way ... moreof the world now. We are always looking to buy more tubes.
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$5.95 Shipping Condition: Unspecified Location: Northampton, United States
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$6.65 Shipping Condition: Unspecified Location: Brea, United States Labeled as "Amperex" and date code is not visible. Vacuum Tube. Short Plate. Large O-Getter. where minimum good value is 875. Tested in my preamplifier ... moreto make sure working as intended with no issues at all.
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$6.50 Shipping Condition: New Location: Whippany, United States One, new in original box, GE 6A7 tube with the tall, shouldered glass bulb. The 6A7 tube is very critical to good reception in the mid 1930's five tube ... moreline-up radios. Orange-red printed logo base.
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$5.75 Shipping Condition: Unspecified Location: Whitestone, United States Type 7B7 vacuum tube. Hickok TV-7B/U tested. Hickok TV-7B/U is a mutual conductance (Gm) type tube tester. Sylvania's Acid Etched Emblem
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$6.65 Shipping Condition: Unspecified Location: Brea, United States Matched Pair. Very strong and tightly matched pair! Long Gray Plate. Made in USA. Made in USA. ____ ______. Tested in my preamplifier to make sure working ... moreas intended with no issues at all. Labeled as Conn.
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$5.95 Shipping Condition: Used Location: Kingman, United States Rectifiers and Diode tubes do not have Transconductance values. VACUUM TUBE TESTING. So this shows what I get, and what you get may be slightly different. ... moreThe numbers/letters in parentheses are Equivalents put in to help people to find the correct tube.
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$5.25 Shipping Condition: Used Location: Hesperia, United States Regulator, Ralay, Rectifiers and Diode tubes do not have Transconductance values. This includes poor print, oxidized pins, faint discoloration, or poorly ... morebox. Tube ( 2200 µhmos ) Acceptable NOS Value =1900.
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$12.00 Shipping Condition: Used Location: Providence, United States Great quad of Raytheon 6SN7GTB bullet black plate grail tubes. All tubes are date/code matched “280 58-34” and are closely matched for transconductance. ... moreAll tubes have been thoroughly checked out on my calibrated Hickok 752a tester.Here are the results of the mutual conductance testing: (average minimum good reading for this tube on this tester=400)1) 675/675 2) 650/7003) 675/675 4) 675/700
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$40.00 Shipping Condition: New Location: Tardeo S.O, India 1 Matched Pair (2pcs) ATS25 VT60 ZA3496. ATS25 ZA3496 GEC. Beam Tetrode. Ceramic GEC Make Made in Gt. 1MP VT60(EL34 6L6 KT66 ) Cossor GEC U.K(Special ... more807 military grade) #778486&487 (#194037013635). 1MP GEC 6V6G black coated glass made in England Amplitrex tested#296001&49.
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Free Shipping Condition: Unspecified Location: Easthampton, United States Directly from the manufacturer: "This is an exact copy of the KT88 valves that were manufactured by Marconi-Osram for Marshall in the late 1960s and 1970s. ... moreWe are an authorized dealer for New Sensor products including Sovtek, Electro-Harmonix, Mullard, Tung-Sol, and Genalex.
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