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$6.50 Shipping Condition: Open box Location: Easthampton, United States Tube Type / Number: 6X4 [EZ90]. Notes: Blackburn. Country of Manufacture: Great Britain. Tests as NOS?. Plate Construction: Grey. Tested For & Matched ... moreBy: Emissions. NOS Test Value: 50/50. Always checked for shorts, leaks, gas and Gm, Emissions or Plate Current where applicable.
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$30.00 Shipping Condition: Open box Location: Tardeo S.O, India ECC88 CV5358 MULLARD. Tested Advance Digital Tube Tester Amplitrex AT1000. Amplitrex AT1000 Advance Digital Tube Tester, Hickok 752a tube tester, AVO ... moreType 160. We specialized in thoroughly tested and screened quality, vacuum tubes.
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Free Shipping Condition: Open box Location: Columbia, United States Tubes that test within certain specifications may be considered good or usable, but whether they are specifically labeled NOS DEPENDS on the history. ... moreTube testers do not test for these problems in the manner in which you think, except to the extent that a tube tester with sensitive leakage detection will find far more “noisy” tubes than a tube tester with only “fair” leakage sensitivity, to the extent that the noise is due to this problem.
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Free Shipping Condition: Open box Location: Columbia, United States Tube testers do not test for these problems in the manner in which you think, except to the extent that a tube tester with sensitive leakage detection ... morewill find far more “noisy” tubes than a tube tester with only “fair” leakage sensitivity, to the extent that the noise is due to this problem.
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Free Shipping Condition: Open box Location: Great Falls, United States Everything can be resolved without leaving a negative feed back. Call for technical specs.
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$6.50 Shipping Condition: Unspecified Location: Whitestone, United States Type 5879 vacuum tubes. One matched pair,circa 1954, U.S.A made by RCA for Tektronix . Tubes feature silver-round-plates, 3 mica spacersand top-mount ... more'Rectangular' getters construction. RCA's Acid Etched Designations.
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$5.40 Shipping Condition: Used Location: Niagara Falls, United States One is Zenith and the other is a Motorola, both made in USA. Up for sale, a pair of electronic vaccuum tubes in good tested condition. Note on our tubes ... moresales.
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$4.50 Shipping Condition: Used Location: Dayton, United States Item is one unmatched lot of RCA 1P28 vacuum tubes. These tubes are used and have dust, shadowing or label discoloration that appear with extended use. ... moreThese tubes have not been tested. My vacuum tube tester does not support this type of tube.
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$6.95 Shipping Condition: Unspecified Location: State College, United States Two NOS 5HG8 vacuum tubes, GE, Philco. Tested good on the B+K 625 Dyna Tester.
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$5.00 Shipping Condition: Used Location: Milwaukee, United States This has great lettering and short gray plates and a halo getter. I tested it on my B&K 747B tube tester, and it tested at 64/67, with no shorts or grid ... moreemission, on a scale of 0-120, where 65 is minimum good and most 12AT7s test in the 50-70 range.
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$5.95 Shipping Condition: Used Location: Kingman, United States Rectifiers and Diode tubes do not have Transconductance values. All tested and either are NOS in box, Used But NOS or very near NOS in testing. VACUUM ... moreTUBE TESTING. ( Glass Marks etching/hidden marks and UV products are used).
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$7.75 Shipping Condition: Used Location: Westwood, United States Tested Pair of Type 33 Ken Rad and Sylvania Audio Radio Receiver Vacuum Tubes. Excellent strong balanced NOS test results for Gm: 73 and 70. No shorts ... moredetected.
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Free Shipping Condition: New Location: Bradenton, United States Upgrade 업그레이드 6P9P 전자 튜브 진공 밸브, 6n 9/6n9C 진공 튜브 앰프, 오디오 앰프 액세서리 교체 가능, 신제품. Tested on the State-of-the-Art AMPLITREX AT-1000 Electron Tube Test System. ... more1940's RCA TUBES. Beautiful 1940's NOS tubes are out-of-production and very rare & high quality.
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$15.00 Shipping Condition: Open box Location: Romania Tested With Roetest V10 By Curves NOS/NIB. Tested with Roetest V10, "the Rolls Royce of tube testers" [emissionlab quote], a wonderful german professional ... moresystem for testing tubes, it shows everything about a tube.
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$5.50 Shipping Condition: Open box Location: Torrance, United States Nearly 100% of the paint and lettering are still clear on the 60-year old tube. The BWB print, falcon logo and the Munich date code etched in the glass ... moreis perfectly visible -D0 4# 3F (D0 = E82CC,# = Munich, 3 = 1963, F = June.).
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$7.00 Shipping Condition: Used Location: Hoschton, United States All tubes were tested and matched on the Amplitrex AT1000 digital tester, in. See Pictures for Test Scores -. For best results - before you install your ... moretubes be sure that your power is off, that the tube sockets are tight and cleaned periodically with a product like Detoxit 100%.
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$35.00 Shipping Condition: New Location: Tardeo S.O, India Tested on Amplitrex AT1000 Advance Digital Tube Tester. Amplitrex AT1000 Advance Digital Tube Tester, Hickok 752a tube tester, AVO Type 160. 6201 BEL ... moreO GETTER GOLD PIN MADE IN INDIA. O GETTER, GOLDEN PIN.
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Free Shipping Condition: Used Location: Avilla, United States Micromhos : -2500 - well above new tube standards!
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Free Shipping Condition: Used Location: Scottsdale, United States Tested on a B&K 707 dynamic mutual conductance tube tester for shorts, leakage and emission.
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$4.19 Shipping Condition: Open box Location: Warner, United States
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$3.85 Shipping Condition: Unspecified Location: Crown Point, United States This tester also is used in conjunction with a variac to maintain test results accuracy and consistency. This tube tested at- 62 or higher. Average new ... moretube value - 62.
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Free Shipping Condition: New Location: Crown Point, United States This tester also is used in conjunction with a variac to maintain test results accuracy and consistency. Average new tube value - 30/54. Tube test Value ... more- 36/56 - 32/56 - 32/54 - 34/54 - 34/54. Minimum tube value - 20/35.
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$15.00 Shipping Condition: Used Location: Canada Price is FOR ONE PAIR (TWO TUBES) only.
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$5.75 Shipping Condition: Used Location: Portland, United States Tested on Sencore tester were 70% and above is good emission quality and this tested very good or NOS at 101%. It is very important.
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Free Shipping Condition: Open box Location: Crown Point, United States This tester also is used in conjunction with a variac to maintain test results accuracy and consistency. Date code on all 4 is - AY March 1966. Tubes ... moretested at- 50 - 50 - 50 - 50. Average new tube value - 46.
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$6.00 Shipping Condition: Used Location: La Fayette, United States Tested on a Hi End Maxi-Preamp II tester for Gain (Mu), Transconductance (Gm), and Noise (dB). It most likely is because it has a lower gain compared ... moreto the 12AT7. Gain (Expected Value=40 mu). This is very important!
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$11.00 Shipping Condition: Used Location: Ukraine 4PCS TELAM / POLAM EL84 / 6BQ5 / 6P14P PENTODE TUBES! NOS! TESTED! Tubes made in TELAM POLAM MILITARY plants Ia=47-48mA.
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$14.60 Shipping Condition: Used Location: Painesville, United States Up for sale is a pair of RCA 807 tubes tested with a Amplitrex tube tester. Both test good.Results are in the pics. It has been wrong before. We try to ... morebe flexible depending on your situation.
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$5.50 Shipping Condition: Open box Location: Torrance, United States (⊿ = Heerlen,5 = 1965, L = December, 1 = Week 1 of the production month). The most distinctive sound feature of Holland 6922 is the transparent, natural ... moreand expansive midrange presentation, with a slight touch of warmth that illuminates your music.
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$30.00 Shipping Condition: Unspecified Location: Tardeo S.O, India Vi103 CV1103 Y63 "Cup" Getter made in Gt Britain. Vi103 CV1103 Y63. Magic Eye Tuning Indicator Valve. Amplitrex AT1000 Advance Digital Tube Tester, Hickok ... more752a tube tester, AVO Type 160. "Cup" Getter.
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Free Shipping Condition: New Location: Monongahela, United States 2 new 3A3C RCA rectifier. You are buying 2 tubes RCA NOS 3A3C rectifiers. NOS NIB USA.
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$5.75 Shipping Condition: Used Location: Portland, United States Tested on Sencore tester were 70% and above is good emission quality and the Sylvania tested at 93%, the Hoffman 100%. It is very important.
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$5.40 Shipping Condition: Used Location: Niagara Falls, United States One of the tube is RCA and the other is ununknown. Up for sale, a pair of electronic vaccuum tubes in good tested condition. Note on our tubes sales.
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$18.00 Shipping Condition: Unspecified Location: Grants Pass, United States Here are two tube shields and four tube sockets for any 1603. Western 350, 6C6 type tubes. They are very high quality reproductions, the shields are two ... morepieces each made out of heavy machined aluminum, the bases attach to the amplifier and the shield screws on to the base. The sockets are ceramic with gold plated pieces. All pieces are unused and in new condition.
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$5.00 Shipping Condition: Used Location: Lititz, United States We test on a Triplett 3414 Tube Tester and this tube tested:66%/74%. Each tube is allowed to warm up for 20-30 seconds while we check for glow.
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$5.45 Shipping Condition: New Location: Sussex, United States Manufacturer: Amperex USA. Type: 1970 JAN 5894. The tubes need to get to you in one piece. Every Pin is Closely Inspected and Thoroughly Cleaned. But ... morethis the way of the world now. We are always looking to buy more tubes.
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$4.50 Shipping Condition: New Location: Dayton, United States Item is one unmatched lot of RCA and GE 35EH5 vacuum tubes in their original boxes.
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$30.00 Shipping Condition: New Location: Tardeo S.O, India ECC88 MULLARD O GETTER MADE IN GT. BRITAIN AMPLITREX TESTED. ECC88 MULLARD. TESTED ON AMPLITREX TUBE TESTER. We specialized in thoroughly tested and screened ... morequality vacuum tubes.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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Free Shipping Condition: Used Location: United States Matched Pair JG-6072 GE LEAR Vacuum Tube 12AY7 Military Grade Amplitrex TESTED.
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$20.00 Shipping Condition: New Location: Romania Model Number: 6P3S-E / 6L6 / 6L6GT / 6L6GC / 5881. Quality equivalent of the 6L6 = 6L6GT = 6L6GC = 5881. MATCHED SEXTET RUSSIAN NOS TUBES 6P3S-E ( 6П3С-Е ... more). Very rare and difficult to select such pairs.
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$6.23 Shipping Condition: Unspecified Location: Tonopah, United States I have a B&K 747 tube tester. This is a mutual conductance tester. I also use a Tektronix curve tracer for testing triodes. I give a number of evaluations ... morefor tubes. The lines show how the tube conducts throughout that range.
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$9.95 Shipping Condition: Unspecified Location: Beograd 6, Serbia General Electric 12SN7GTA Side Getter. Balanced sections!
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Free Shipping Condition: Used Location: Great Falls, United States Boxes might show wear from being in storage. Everything can be resolved without leaving a negative feed back. Call for technical specs.
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$5.45 Shipping Condition: New Location: Sussex, United States Type: Electrolytic Capacitor 124665. Manufacturer: RCA. But this the way of the world now. We are always looking to buy more tubes. Large collections, ... moresmall collections, it doesn't matter. Looking forward to hearing from you, Dan.
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$4.55 Shipping Condition: Open box Location: Sussex, United States Type: 1958 6957. Manufacturer: RCA. The tubes need to get to you in one piece. But this the way of the world now. We are always looking to buy more tubes. ... moreLarge collections, small collections, it doesn't matter.
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$13.70 Shipping Condition: Open box Location: Painesville, United States They are being sold as is, since my tester does not test this tube. AND WAIT FOR A RESPONSE. We try to be flexible depending on your situation.
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$5.90 Shipping Condition: Open box Location: Yukon, United States Tube Number:10GF7. Good deals found Below! Labeling: Great.
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Free Shipping Condition: New Location: Westwood, United States One Tested JW 5847 Western Electric NOS NIB Audio Receiver Vacuum Tube. Excellent strong NOS test result for Gm: 40. Date code: 6439. No shorts detected. ... moreFor Gm, 30 is the ~60% reject value.
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Free Shipping Condition: Used Location: Union Bridge, United States 4 Tung-Sol Copper 12AX4GTB CBS HYTRON 12AX4GT VACUUM TUBES LOT Tested Vintage1 -TUNG SOL 12AX4GTA1-TUNG SOL 12AX4GTB1-TUNG SOL 12AX4GTA1- CBS HYTRON 12AX4GT ... moreALL TEST IN GOOD RANGE WITH NO SHORTS OR LEAKAGE on simple tube tester See all pictures
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$6.23 Shipping Condition: New Location: Sussex, United States Type: 1974 JAN 1624. Manufacturer: RCA. Plate(s): Black w/Support Rods. But this the way of the world now. We are always looking to buy more tubes. Large ... morecollections, small collections, it doesn't matter.
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$4.50 Shipping Condition: New Location: Paris, United States Vacuum Tubes. Each is tested for emission, dynamic mutual conductance, shorts, plate current & gas as applicable. German Made Probably Siemans. Tubes ... morewill generally be cleaned. Clean tubes will radiate heat better & operate cooler.
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$6.00 Shipping Condition: Used Location: Garrettsville, United States This tube displayed great results on a B&K Dyna-jet 707 Dynamic Mutual Conductance tube tester. Location: Box 26.
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$1.50 Shipping Condition: Used Location: Great Falls, United States Boxes might show wear from being in storage. Everything can be resolved without leaving a negative feed back. Call for technical specs.
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$7.57 Shipping Condition: Used Location: Sussex, United States Type: JAN CDU 3ADP1. Manufacturer: Dumont Laboratories. The tubes need to get to you in one piece. But this the way of the world now. We are always looking ... moreto buy more tubes. Large collections, small collections, it doesn't matter.
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$19.95 Shipping Condition: Open box Location: Serbia For sale isone perfectly matched pair of genuine C3m Lorenz ITT, made in West Germany in famous ITT Lorenz Esslingen tube plant in early 60s. Rare GABL ... morestamped.
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$5.90 Shipping Condition: Open box Location: Yukon, United States Tube Number:21LR8. Good deals found Below! Labeling:Excellent.
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Free Shipping Condition: New Location: Monongahela, United States Sleeve of 5 DuMont 6CB6A tubes. pro Sencore tested.
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$4.00 Shipping Condition: Unspecified Location: Irwin, United States Checkout my other tubes!
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$5.50 Shipping Condition: Open box Location: Torrance, United States Sound texture can be felt through infinite levels of details, laying on top of each other, both in depth and in width. So your quest for superb sound ... moreclarity can end right here. And of course the diamond mark on bottom - the symbol of the best sound one can ever find on E88CC's.
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Free Shipping Condition: Open box Location: Columbia, United States NOS is subject to interpretation and there is no specific definition for it either. There are suggestions and opinions. This tube is rare - especially ... morewith the box plate construction. 90 % of our tubes are Tv7 tested.
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