12AX7 NEC Tokyo Japan ECC83 audio triodes

These are original NEC 12AX7 ECC83 audio tubes, long ribbed gray plates. Small ring disc getter in original Nippon Electric boxes.
ECC83 12AX7 NEC JapanECC83 12AX7 NEC Japan
 

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This Post Has One Comment

  1. james 18 Oct 2013 Reply

    Are NEC tubes available?

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