Matched Pair CV4004 M8137 ECC83 Mullard 82 22 Platinum K NOS Valve Tube F19

Platinum Matched Pair = 2 valves. CV4004 M8137 12AX7 ECC83 Mullard. Supplied to the UK Government in 1982.

Acid Etched Code: 641 R2A2. MOD Code: 82 22 and.

IA: 1.15 GM: 1.6. IA: 1.1 GM: 1.55. IA: 1.08 GM: 1.5. IA: 1.12 GM: 1.6.

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