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  1. 12AX7A Mullard etched Blackburn codes MaxiPreamp2/TV7 tested (1) tube lot

    I test all tubes thoroughly and with great care. I test to the best of my ability, and I report all results honestly.

    eBay

  2. 12AX7 Mullard "Daystrom" Etched Codes MaxiPreamp2/TV7 tested (1) tube lot

    I test all tubes thoroughly and with great care. I test to the best of my ability, and I report all results honestly.

    eBay

  3. Mullard 12AX7 12AX7A ECC83 New!

    These are new production by New Sensor. We were shocked at how good these re-issues are. Try them in your classic guitar amplifier as well, for that thick 60s sound with fast attack and decay. Does it approach the original Mullard in sound?.

    eBay

  4. 12AX7/ECC83 Mullard "Fisher" 161 code MaxiPreamp2/TV-7 Tested (1) tube lot

    I test all tubes thoroughly and with great care. I test to the best of my ability, and I report all results honestly.

    eBay

  5. MATCHED PAIR MULLARD ECC83 mC1 LONG PLATE SQUARE GETTER SAME DATE 1957

    RARE STRONG MATCHED PAIR OF MULLARD ECC83 12AX7 mC1. LONG PLATES SQUARE GETTER. SUPERB WELL MATCHED PAIR. TUBE 1 - Ia 1.8/1.8 gm 1.9/1.9. TUBE 2 - Ia 1.7/1.8 gm 1.8/1.8.

    eBay

  6. Mullard KB/D CV4004 6057 ECC83 Box Plate Goalpost Halo Getter Valve (V62)

    6057 CV4004 ECC83 12AX7 Valve Tube. Mullard, British Made. Used, Supplied in White Box.

    eBay

  7. Mullard 12AX7/ECC83/CV492 O getter Excellent Sounding

    What you see is what you get. Sold as is.

    eBay

  8. NOS Ecc83 Mullard Blackburn Hifi Audio Tube 161

    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

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