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  1. PRT08A Stereo Tubes preamplifier Kit Base on CAT-SL1 12AU7 12AX7 6JD8 (No Tube)

  2. Silver 10Pcs Ceramic 9Pin B9a Pcb Mount Tube Socket For 12Ax7 12At7

  3. NOS Matched Pair Amperex Fisher Heerlan Huge Halo Getter Grails Ecc83 12ax7

    NOS is subject to interpretation and there is no specific definition for it either. There are suggestions and opinions. 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 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.

    eBay

  4. Sem Marca Silver 10Pcs 9Pin Ceramic Vacuum Tube Socket For 12Ax7 12Au7 -Plated

  5. Markenlos Silver 10Pcs Ceramic 9Pin B9a Pcb Mount Tube Socket For 12Ax7 12At7

  6. Markenlos Golden 10Pcs 9Pin Ceramic Vacuum Tube Socket For 12Ax7 12Au7 -Plated

  7. NOS Amperex EICO 12AX7 ECC83 Tube Heerlan Holland Holy Grail

    NOS tubes fall within the Gm characteristic range of an average tube, as published in the RCA RECEIVING TUBE MANUAL, which states "Individual tubes, like any manufactured product, may have characteristics that range above or below the values given.

    eBay

  8. Gold 10Pcs Ceramic 9Pin B9a Pcb Mount Tube Socket For 12Ax7 12At7

  9. 12AT7 / ECC81 RCA Tube New (New Old Stock) Test NEW 1 Year Warranty

    Reference tube is tested first then the tube listed for sale. Test procedure.

    eBay

  10. WINEHOUSE, Amy - 12x7: The Singles Collection - 12X7"" BOX SET (SIDE 24 ETCHED)

  11. Replacement Valve Kit for Fender Concert Reverb (5 x 12AX7 1 x 12AT7 1 x Bala...

  12. Sylvania 7025 12AX7A Test NOS/Near Long Pinched Grey Copper Gr Serious Tube T874

    Manufacturer: Sylvania. 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.

    eBay

  13. Silver 10Pcs Ceramic 9Pin B9a Pcb Mount Tube Socket For 12Ax7 12At7

  14. Senza Marchio Silver 10Pcs 9Pin Ceramic Vacuum Tube Socket For 12Ax7 12Au7 -Plated

  15. Matched NOS Tung-Sol 5751 12AX7A Tubes Long Gray Plates Halo Getters Amplitrex

    Matched Pair of Tung-Sol 5751 12AX7A Vacuum Tubes with Long Gray Plates & Halo Getters | Made in USA | Less Distortion than 12AX7. Tested on an Amplitrex AT1000.

    eBay

  16. Uquip Variety L Folding Table, 120X70 Cm, Silver + Defect (278894)

  17. Markenlos Silver 10Pcs 9Pin Ceramic Vacuum Tube Socket For 12Ax7 12Au7 -Plated

  18. 2x ECC83 = 12AX7A = 12AX7 Philips miniwatt pair radio tube tube tested #6094

    Sehr gut (wie neu) geprüft mit dem Röhrenprüfgerät Roetest V10, das professionellste Röhrentestsystem was es derzeit gibt.

    eBay

  19. Markenlos Golden 10Pcs 9Pin Ceramic Vacuum Tube Socket For 12Ax7 12Au7 -Plated

  20. Merkloos Silver 10Pcs 9Pin Ceramic Vacuum Tube Socket For 12Ax7 12Au7 -Plated

  21. ANOS Telefunken 12AX7 ECC83 Smooth Plate O-Get Amplitrex Test 7025 B339 12AX7A

    Tube is Amplitrex tested with results shown in photos. 2x tested Great tube at a great price. Tubes undergo dual testing procedures whenever possible. Screen grid test. Power gain. Mutual conductance test.

    eBay

  22. Gold 10Pcs Ceramic 9Pin B9a Pcb Mount Tube Socket For 12Ax7 12At7

  23. Black 4X 9Pin Vacuum Tube Socket Saver Base For 12Ax7 12Au7 Ecc82 Ecc83

  24. Matched Pair NIB RCA 12AU7A/ECC82 Clear Top Balanced Twin Triode Tubes 12AU7 D16

    Balanced Twin Triode Tubes. Matched Pair NIB. RCA 12AU7/ECC82.

    eBay

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