ECC83, Brimar, Manufactured November 1968, 1573 code, 12AX7
ECC83, Brimar, Manufactured November 1968, 1573 code, 12AX7
The device shows good matching of each triode section within the envelope and showing superb emission.
ECC83, Brimar, Manufactured November 1968, 1573 code, 12AX7
The device shows good matching of each triode section within the envelope and showing superb emission.