MATCHED PAIR 6P14P-EV / EL84M / 6BQ5 Gold Grid NOS REFLECTOR PLANT -1977 NOS
30,80 €
MATCHED PAIR 6P14P-EV / EL84M / 6BQ5 Gold Grid NOS. Each tube is heated for at least 30 minutes, listened in an amplifier with plate current monitoring and a 1 kHz oscilloscope. The sorting of tubes in pairs or quads is done taking into account both the anode and the transconductance.
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