• RCA 71A Vacuum Tube Results =73

    RCA ︖ 71A Vacuum Tube ~~ Has Rattle. Results = 73.
    S$ 54.43
    From United States
    S$ 19.06 shipping
    Brand: RCA
    or Best Offer
    Type: Vacuum Tube
  •  Cunningham 71A Globe Tubes -  Lot of 2

    Tubes are tested and have no shorts or leaks, tubes are used. Tester good range is 70% to 130%. With 70% being weak and 130% being very strong. A good average tube would be 100%.
    S$ 122.44
    Top-rated seller
    S$ 35.39 shipping
    From United States
    or Best Offer
    Brand: UnbrandedType: Vacuum Tube
  • Sylvania 71A Vacuum Tube Bogey +

    Industry Bogey transconductance = 1700µmhos. Industry Bogey plate current = 20mA. Results =2030 µmhos ~32mA.
    S$ 38.10
    From United States
    S$ 19.06 shipping
    Brand: SYLVANIA
    or Best Offer
    Type: Vacuum Tube
  • Sylvania for Ultratone 6EU7 Test NOS Short Grey Plates Copper Serious Tubes J71

    Manufacturer: Sylvania for Ultratone. Type: 6EU7. But this the way of the world now. We are always looking to buy more tubes. Large collections, small collections, it doesn't matter. Looking forward to hearing from you, Dan.
    S$ 33.96
    Top-rated seller
    S$ 13.54 shipping
    From United States
    or Best Offer
    Type: NOS Tube
  • 1 -171A (71) Tube *Globe*Hot Stamped Base*Strong* (3 Available)

    Tested on Enhanced Triplet E3444 Laboratory Tester. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. 1 -171A (71) Tube Globe Made in USA. Hot Stamped Base.
    S$ 59.88
    Top-rated seller
    S$ 24.50 shipping
    From United StatesType: Vacuum Tube
  • Pair, Tung-Sol 71-A Radio/Audio Amplifier Tubes, Amplitrex Tested Strong

    They are internally identical tubes, with ST shaped envelopes and printed bases. Both test strong on my Amplitrex AT-1000 tester. One tests at 88% emission and 100% Gm, while the other tests at 94% Em and 106% Gm.
    S$ 57.17
    Top-rated seller
    S$ 19.74 shipping
    From United StatesBrand: Tung-SolType: Power Tubes
  • 71A 1945 Sylvania JAN-CHS-71A Triode Power Tubes NIB/NOS PLATINUM MATCHED AT1000

    Platinum Matched on AT1000 - SEE SPEC BELOW. Amplitrex AT1000 Test Results. All tubes are tested with the Audiophile in mind for SHORTS, GAS, MUTUAL CONDUCTANCE and NOISE (large tube lots are not tested for noise).
    S$ 122.34
    Top-rated seller
    S$ 25.19 shipping
    From United States
    or Best Offer
    Brand: SYLVANIAType: Power TubesCustoms services and international tracking provided
  • 71A Sylvania tube Vintage Audio Triode ST shaped. Tested strong In Green box

    No debris or other evidence of "aging" in the inner structures. Shiny plate bottom getter. Base nice, pins shiny. NOT TESTED IN AN ACTUAL APPLICATION CIRCUIT. Sold AS IS.
    S$ 51.04
    From United States
    S$ 28.05 shipping
    Brand: SYLVANIAType: TriodeCustoms services and international tracking provided
  • Hot Stamped Philco 71A Vacuum Tube Very Strong

    Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. Industry Bogey plate current = 20mA.
    S$ 63.96
    From United States
    S$ 19.06 shipping
    Brand: Philco
    or Best Offer
    Type: Vacuum Tube
  • NOS NIB 1948 RCA 71A Tube Black Plate Guaranteed!

    Up for sale here is this NOS NIB RCA 71A tube. This has an 813 date code, for the 13th week of 1948. This was tested by a previous owner, but I do not know the test results.
    S$ 68.04
    Top-rated seller
    S$ 19.06 shipping
    From United StatesBrand: RCAType: NOS Tube
  • Vintage 71A Vacuum Tube ~~ Bogie +

    Industry Bogey transconductance =1700µmhos. Industry Bogey plate current =20mA. I have many other types of tubes. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~.
    S$ 53.07
    From United States
    S$ 19.06 shipping
    Type: Vacuum Tube
    or Best Offer
  • Sylvania 71A Vacuum Tube Bogey +

    Industry Bogey transconductance =1700µmhos. Industry Bogey plate current = 20mA. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. I have many other types of tubes ~.
    S$ 53.07
    From United States
    S$ 19.06 shipping
    Brand: SYLVANIA
    or Best Offer
    Type: Vacuum Tube
  • 1 -171A (71) Perfectone Tube *Globe*Hot Stamped Base*Strong*

    1 -171A (71) Perfectone Tube. Hot Stamped Base. I do combine S&H. Min(65%) = 46.
    S$ 54.43
    Top-rated seller
    S$ 24.50 shipping
    From United StatesType: Vacuum Tube
  • 1 WESTINGHOUSE RADIOTRON TYPE 71A ST SHAPE VINTAGE VACUUM TUBE TESTED

    S$ 25.92
    Top-rated seller
    S$ 12.83 shipping
    From CanadaBrand: WestinghouseType: Vacuum Tube
  • 1 -71A (71) Tube *Globe*Hot Stamped Base*Strong* (3 Available)

    Tested on Enhanced Triplet E3444 Laboratory Tester. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. 1 -71A (71) Tube Globe Made in USA. Hot Stamped Base.
    S$ 51.71
    Top-rated seller
    S$ 24.50 shipping
    From United StatesType: Vacuum Tube
  • Sylvania 71 A Vacuum Tube

    Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. Industry Bogey plate current = 20mA.
    S$ 50.35
    From United States
    S$ 19.06 shipping
    Brand: SYLVANIA
    or Best Offer
    Type: Vacuum Tube
  • 2 - 371-A (71) Cunningham Tubes *Globe*Hot Stamped Base*Strong*

    Tested on Enhanced Triplet E3444 Laboratory Tester. 2 - 371-A (71) Cunningham Tubes Made in USA. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable.
    S$ 127.93
    Top-rated seller
    S$ 24.50 shipping
    From United StatesBrand: CunninghamType: Vacuum Tube
  • Matched Pair Amperex Holland 6DJ8/ECC88 Gray Shield Plate Tubes 71/86% & 71/86%

    Country of Manufacture: Holland. Plate Construction: Gray Shield &. Tested For & Matched By: Gm (General Mutual Transconductance). Tube Type / Number: 6DJ8/ECC88. Always checked for shorts, leaks, gas and Gm, Emissions or Plate Current where applicable.
    S$ 40.77
    Top-rated seller
    S$ 17.68 shipping
    From United StatesBrand: AmperexType: Vacuum Tube
  • 71A TUBE~VALVE~NOS~60 DAY GUARANTEE~VACUUM~RADIO~AMPLIFIER~HAM~SHORT WAVE~TV

    Vacuum Tube. If You Need Any Other Tube. . Ask us. We Have Just About Any Tube You Need. If Purchasing More Than One Tube. Wait for Us to Send You a Revised Invoice. They Have Been Re-boxed in White Boxes.
    S$ 54.38
    From United States
    S$ 29.58 shipping
    Brand: ValveType: Vacuum TubeCustoms services and international tracking provided
  • 2 -71A (71) RCA-Radiotron Tubes *Hot Stamped Base*Strong*

    Tested on Enhanced Triplet E3444 Laboratory Tester. 2 -71A (71) RCA-Radiotron Tubes Made in USA. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable.
    S$ 114.32
    Top-rated seller
    S$ 24.50 shipping
    From United StatesBrand: RCAType: Vacuum Tube
  • 1 GE 71 A Vacuum Tube Tested Good On Calibrated TV - 7 !

    This tester also is used in conjunction with a variac to maintain test results accuracy and consistency. Tube test Value- 64.
    S$ 33.96
    From United States
    S$ 31.84 shipping
    Brand: GEType: Vacuum TubeCustoms services and international tracking provided
  • 2 71A NATIONAL UNION HiFi Antique Radio Amp Vintage Vacuum Tubes Codes LC NOS

    Tubes Tested on a TV-7D/U Tester. Tubes Test New 76 and 76.
    S$ 204.17
    From United States
    S$ 63.76 shipping
    Brand: NationalType: NOS Tube
  • Sylvania Philco 71A Tubes, Matched Pair, Tested, One Tube is NOS/NIB

    71A audio tubes. Sylvania marked Philco. All of these tubes have been tested for transconductance, shorts, gas, leakage and life. One tube is NOS and new in the box. They have been tested for shorts, gas, and transconductance.
    S$ 163.34
    Top-rated seller
    S$ 27.22 shipping
    From United StatesBrand: SYLVANIAType: Preamp Tubes
  • Sylvania 71A Vacuum Tube Bogey + Results = 1890

    Sylvania 71A Vacuum Tube Bogey +. Industry Bogey transconductance =1700µmhos. Industry Bogey plate current =20mA. Results =1890µmhos ~27mA. ♫♫♫♫ ♫♫♫♫ ♫♫♫♫ ♫♫♫♫ ♫♫♫♫ ♫♫♫♫ ♫♫♫♫ ♫♫♫♫ ♫♫ ♫♫♫♫ ♫♫♫♫ ♫♫♫♫.
    S$ 50.35
    From United States
    S$ 19.06 shipping
    Brand: SYLVANIA
    or Best Offer
    Type: Vacuum Tube
  • NOS Type Philco 71A Tube, Beautiful Original Box, Tested NOS

    NOS Philco Type 71A Tube, Beautiful Original Box, Tested NOS.
    S$ 40.77
    From United States
    S$ 31.40 shipping
    Brand: PhilcoType: NOS TubeCustoms services and international tracking provided
  • Sylvania 171A, 71A, UX-171A Globe Tubes, Matched Pair, High Testing

    Sylvania National Union 171A, 71A, UX-171A Tubes, Matched Pair, High Testing. 171A, 71A, UX-171A. etched base audio tubes. One is marked Sylvania and the other National Union but they have identical construction.
    S$ 163.34
    Top-rated seller
    S$ 27.22 shipping
    From United StatesBrand: SYLVANIAType: Power Tubes
  • 2 71A SYLVANIA HiFi Antique Radio Amplifier Vacuum Tubes Matching Codes 713

    Both tubes have identical construction and matching codes 713. Tubes Tested on a TV-7D/U Tester. Tubes Test New 72 and 72.
    S$ 136.11
    From United States
    S$ 63.76 shipping
    Brand: SYLVANIAType: Vacuum Tube
  • 71A Vacuum Tube Bogey

    Industry Bogey transconductance =1700µmhos. Industry Bogey plate current =20mA. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable.
    S$ 50.35
    From United States
    S$ 19.06 shipping
    Type: Vacuum Tube
  • Raytheon 71A Vacuum Tube Very Strong 1630 µmhos 22 mA

    Raytheon 71A Vacuum Tube ~~ Strong. Results = 1630 µmhos ~ 22 mA. Industry Bogey plate current = 20 mA.
    S$ 53.07
    From United States
    S$ 19.06 shipping
    Brand: Raytheon
    or Best Offer
    Type: Vacuum Tube
  • Hot Stamped Sylvania Globe SX 71A Vacuum Tube

    Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. Industry Bogey plate current = 20mA. I have many other types of tubes.
    S$ 53.07
    From United States
    S$ 19.06 shipping
    Brand: SYLVANIA
    or Best Offer
    Type: Vacuum Tube
  • RCA 71A Vacuum Tube Bogey +

    Industry Bogey transconductance =1700µmhos. Industry Bogey plate current = 20mA. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. I have many other types of tubes ~.
    S$ 53.07
    From United States
    S$ 19.06 shipping
    Brand: RCAType: Vacuum Tube
  • KT71 MARCONI NOS VALVE/TUBE (LC39)

    KT71 MARCONI. MARCONI STICKER. NOS NEW UNUSED AND TESTED.
    S$ 57.44
    Top-rated seller
    S$ 10.60 shipping
    From United KingdomType: NOS Tube
  • Sylvania 71A Vacuum Tube Results = 1920 Code 4V

    Sylvania 71A Vacuum Tube Code 4V. Results =1920µmhos ~23.4mA. Industry Bogey plate current = 20mA. I have many other types of tubes. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~.
    S$ 59.88
    From United States
    S$ 19.06 shipping
    Brand: SYLVANIA
    or Best Offer
    Type: Vacuum Tube
  • 1 71A RCA RADIOTRON HiFi Antique Radio Amp Vintage Vacuum Tube Code Z 4

    Tube Tested on a TV-7D/U Tester. 42 is Minimum (42=65% of a new tube).
    S$ 68.06
    From United States
    S$ 63.76 shipping
    Brand: RadiotronType: Vacuum Tube
  • 1 RARE Triad 71 A Hot Stamped Vacuum Tubes Tested Good On Calibrated TV - 7

    This tester also is used in conjunction with a variac to maintain test results accuracy and consistency. I will always list original photos of actual item you are receiving.
    S$ 33.96
    From United States
    S$ 23.87 shipping
    Brand: TriadType: Vacuum TubeCustoms services and international tracking provided
  • Raytheon Type 71A Tube Tested at NOS

    Ratheon tube. Bottom pan getter. Tested TV-7/U where minimum good is 42, new is 65.
    S$ 40.82
    Top-rated seller
    S$ 19.74 shipping
    From United StatesBrand: RaytheonType: Vacuum Tube
  • Engraved Sylvania #71 Vacuum Tube Very Strong Results =1790 µmhos

    Results =1790 µmhos ~ 24mA. Engraved Sylvania #71 Vacuum Tube Very Strong. Industry Bogey plate current = 20mA. ♫♫♫♫ ♫♫♫♫ ♫♫♫♫ ♫♫♫♫ ♫♫♫♫ ♫♫♫♫ ♫♫♫♫ ♫♫♫♫.
    S$ 57.15
    From United States
    S$ 19.06 shipping
    Brand: SYLVANIA
    or Best Offer
    Type: Vacuum Tube
  • NOS pair Sylvania 71-A triode tubes ST type 71A matched, date codes 7/26

    NOS pair Sylvania 71-A triode tubes ST type 71A matched. +1040 Gm/micromhos is the minimum acceptable value +1400 is what a new 71A will test at. Even the codes on the glass match = B7M.
    S$ 108.88
    Top-rated seller
    S$ 40.82 shipping
    From United StatesBrand: SYLVANIAType: Triode
  • Vintage Type 71A Vacuum Tube Tested Good

    MAKE YOU HAPPY –. Our Goal is. If you are not satisfied with your Item(s) - for.
    S$ 37.95
    From United States
    S$ 32.67 shipping
    Brand: Wizard
    or Best Offer
    Type: Vacuum Tube
  • KT71 Osram Tube Valve New Old Stock 1 PC D17

    KT71 Osram. Fully Tested.
    S$ 26.51
    Top-rated seller
    S$ 10.60 shipping
    From United Kingdom
    2 watching
  • Vintage Cunningham 71A Vacuum Tube Tested Good STK#L110

    1 vintage Cunningham 71A vacuum tube in working condition tested on a Hickok 118B Computerized Tube Tester at the following reading: 24.1 mA.
    S$ 74.86
    From United States
    S$ 24.50 shipping
    Brand: Cunningham
    or Best Offer
    Type: Vacuum TubeCustoms services and international tracking provided
  • x1 PAIR NOS NIB RCA VICTORIA 71A (371a 271a 171a) amplifier tube TV-7 tested

    71A (371a 271a 171a) amplifier tube. NOS NIB RCA VICTORIA. TUBE's TEST RESULT's TV-7/u tested. I tested these on a High Quality Professonal Hickok TV-7/U Tester TESTED WITH a (TV-7/U) FOR GAS, SHORTS, AND MUTUAL CONDUCTANCE AND ARE MOSTLY STRONG TUBES!
    S$ 146.94
    Top-rated seller
    Was: Previous PriceS$ 163.27
    From United States
    S$ 19.74 shipping
    Brand: RCAType: Vacuum Tube
  • 1 RCA Radiotron Hot Stamped 71 A Vacuum Tube Tested Good On Calibrated TV - 7

    This tester also is used in conjunction with a variac to maintain test results accuracy and consistency. Tube test Value- 60.
    S$ 27.15
    From United States
    S$ 29.01 shipping
    Brand: RCAType: Vacuum TubeCustoms services and international tracking provided
  • NOS NATIONAL UNION Type 71A tube - HICKOK 539A GOOD

    TESTED GOOD ON HICKOK 539A. BOXES WERE IN BAD SHAPE FROM DECADES OF STORAGE.
    S$ 33.96
    From United States
    S$ 33.40 shipping
    Brand: National
    or Best Offer
    Type: Vacuum TubeCustoms services and international tracking provided
  • Westinghouse 71-26 0D3/VR150 Electronic Tube

    S$ 23.23
    From United States
    S$ 19.74 shipping
    Brand: Westinghouse
    or Best Offer
    Type: Electron Tube
  • Philco 71A Triode Vacuum Tube

    Up for sale is a Philco 71A Triode Vacuum Tube. No shorts were present and all Gm values were found to be well above the minimum. Don't miss out on your chance to grab this rare sought after vacuum tube.
    S$ 34.02
    From United States
    S$ 34.45 shipping
    Brand: Philco
    or Best Offer
    Type: Vacuum TubeCustoms services and international tracking provided
  • General Electric 71A Vacuum Tube Results = 1760

    General Electric 71A Vacuum Tube. Results =1760µmhos ~24.5mA. Industry Bogey plate current =20mA. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^.
    S$ 43.54
    From United States
    S$ 19.06 shipping
    Brand: General
    or Best Offer
    Type: Vacuum Tube
  • ENGRAVED BASE 71A ZENITH NICKEL PLATE VACUUM TUBE (8733/BJR2043)

    This is the perfect tube for restoring that old Zenith radio, an original engraved base Zenith 71A power output tube! This has the bright nickel single plate, and the getter flashing is bright and uniform.
    S$ 25.85
    From United States
    S$ 34.71 shipping
    Brand: ZenithType: Vacuum Tube