MATCHED PAIR MULLARD ECC83/12AX7 i63 Audio Amp VACUUM TUBES Test NOS 5.7431-D

MATCHED PAIR MULLARD ECC83/12AX7 i63 Audio Amp VACUUM TUBES Test NOS 5.7431-D
MATCHED PAIR MULLARD ECC83/12AX7 i63 Audio Amp VACUUM TUBES Test NOS 5.7431-D
MATCHED PAIR MULLARD ECC83/12AX7 i63 Audio Amp VACUUM TUBES Test NOS 5.7431-D
MATCHED PAIR MULLARD ECC83/12AX7 i63 Audio Amp VACUUM TUBES Test NOS 5.7431-D

MATCHED PAIR MULLARD ECC83/12AX7 i63 Audio Amp VACUUM TUBES Test NOS 5.7431-D

DATE CODES: I63 B4I3 DATE CODES MATCHING. Pair Mullard ECC83 / 12AX7.


MATCHED PAIR MULLARD ECC83/12AX7 i63 Audio Amp VACUUM TUBES Test NOS 5.7431-D