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  1. Kepptory Gold 10Pcs Gzc9-F B9a New 9Pin Plated Tube Sockets Ceramic Base Suitable For 12Ax7/12Au7/12At7

  2. 1 X 12AX7A / ECC83 PHILIPS ECG TUBE. 1980s PROD. COPPER RODS. 5. CH120

    1 X 12AX7A / ECC83 TUBE. 1980s PRODUCTION. GREY PLATES, HALO GETTER, COPPER RODS.

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  3. Kepptory Gold 20Pcs Gzc9-F B9a New 9Pin Plated Tube Sockets Ceramic Base Suitable For 12Ax7/12Au7/12At7

  4. RCA 5963 SUPER PREMIUM 12AU7 Long Black Plate Tubes PLATINUM MATCHED on AT1000

    Triple Platinum Matched on Amplitrex AT1000. Amplitrex AT1000 Test Results 95%+ GM = Within NOS Specs 90%+ EM = Within NOS Specs. All tubes are tested with the Audiophile in mind for SHORTS, GAS, MUTUAL CONDUCTANCE and NOISE (large tube lots are not tested for noise).

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  5. (2) Tube Amp Doctor / Amplitrex Matched JJ ECC83 MG 12AX7 12AX7A Gold Pins Tubes

    Matched pair. These are triode section by TAD matched for Gm and then matched for pairs on an Amplitrex AT-1000. Here are the virtues of JJ ECC83 MG tubes - This tube will be a classic JJ is a mainstay in the Vacuum Tube industry.

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  6. Spactz Gold 10Pcs Gzc9-F B9a New 9Pin Plated Tube Sockets Ceramic Base Suitable For 12Ax7/12Au7/12At7

  7. RCA NOS 7058 Ruggedized Mil Spec 12ax7 12ax7a Longlife Low Noise Audio Hifi Tube

    A tube was considered acceptable/new/ passed standards if it tested between the specified minimum and maximum on a tube data sheet or the minimum value specified on the tester (tv7 is minimum is 65%).

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  8. 1961 Amperex 12AX7 ECC83 (12AX7A) Tube - Hickok TV7B tests @ 38/44, min: 32/32

    One tube,circa 1961, Holland made by Heerlen Amperex . type 12AX7 / ECC83 vacuum tube. (Triode#1 / Triode#2). Hickok TV-7B/U tested. Hickok TV-7B/U is a mutual conductance (Gm) type tube tester.

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  9. Torribaly Gold 10Pcs Gzc9-F B9a New 9Pin Plated Tube Sockets Ceramic Base Suitable For 12Ax7/12Au7/12At7

  10. For 10pcs Pcb 9pin Ceramic B9a Vacuum Tube Socket Audio Hifi Diy Amps For 12ax7 12au7 12at7 Ecc81 Ec

  11. RCA 12AX7 Long Plate Clear Top Valve Tube Used Tested (V66)

    ECC83 12AX7 Clear Top Valve Tube. RCA, Made in USA. Fully Tested on AVO VCM 163. Long Grey Plates, Side Rectangle Getter.

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  12. NOS RARE CGE Japan ECC83 12AX7A Pinched Tops, Halo Getters Musical Gray Plates

    • Mids: Warm and smooth, with a balanced, slightly scooped midrange that gives a vocal or bell-like clarity. Tubes test NOS. • Highs: Clear and crisp, but not overly bright or harsh. In other words, it is a rare tube that will be noisy when used in most circuits.

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  13. Saudism Gold 10Pcs Gzc9-F B9a New 9Pin Plated Tube Sockets Ceramic Base Suitable For 12Ax7/12Au7/12At7

  14. RCA 5963 SUPER PREMIUM 12AU7 Long Black Plate Tubes PLATINUM MATCHED on AT1000

    Triple Platinum Matched on Amplitrex AT1000. Amplitrex AT1000 Test Results 95%+ GM = Within NOS Specs 90%+ EM = Within NOS Specs. All tubes are tested with the Audiophile in mind for SHORTS, GAS, MUTUAL CONDUCTANCE and NOISE (large tube lots are not tested for noise).

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