These are designated as 12AX7A. They mostly date from 1966/1967.
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A matched pair of USED Mullard ECC83/12AX7 tubes from 1956 with matching date codes in good condition (both dirty around the logo) and in good working order. I have cleaned them, but I haven’t cleaned around the logos because the logos WILL rub off.
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12AX7 vacuum tube ideal for guitar amps
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The 6N2P (Russian: 6Н2П) is a miniature 9-pin dual triode vacuum tube manufactured in USSR, Russia and China with characteristics similar to the RCA 12AX7. 6N2P/ 6Н2П USSR TUBES Hi-Fi TUBES ~ ECC83 12AX7.
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2pcs 12AX7-S Factory Matched and Tested, Compatible with ECC83, 100% Bra nd NEW in Original Box. do to fix any issues till you satisfied.
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Matched Pair Electro-Harmonix 12AX7 / ECC83 Valves/Vacuum Tubes - AVO Tested Strong and Balanced. AVO NOS Specs: IA = 1.2 GM = 1.6. No leaks or shorts / gas, straight shiny pins. Don't use your amp as a circuit breaker, buy tested valves!
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National 12AX7A (ECC83) tube made in China is for sale. Very rich low end and good midrange. Of those made in China, this is one of the best examples. Type: Dual triode. Plate resistance: Approx. 62.5-80 kΩ.
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The 6N2P (Russian: 6Н2П) is a miniature 9-pin dual triode vacuum tube manufactured in USSR, Russia and China with characteristics similar to the RCA 12AX7. 6N2P/ 6Н2П USSR TUBES Hi-Fi TUBES ~ ECC83 12AX7.
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