Matched Pair CV4004 M8137 ECC83 Mullard 85 18 Platinum G NOS Valve Tube F19

Platinum Matched Pair = 2 valves. CV4004 M8137 12AX7 ECC83 Mullard. Supplied to the UK Government in 1985.

Acid Etched Code: 641 R4L3. MOD Code: 85 18 and. IA: 1.12 GM: 1.7. IA: 1.04 GM: 1.6. 1.02 GM: 1.6.

IA: 1.1 GM: 1.6. Do NOT press Confirm and Pay. All parcels with value of.