Model:
12AX7/ECC83
Brand:
Mazda (France)
Classification:
Twin Triode
Model:
5751 (12AX7/ECC83)
Brand:
Sylvania Jan
Classification:
Twin Triode
Model:
12AX7/ECC83
Brand:
Raytheon
Classification:
Twin Triode
Model:
12AX7/ECC83
Brand:
Brimar
Classification:
Twin Triode
Model:
12AX7/5751 (ECC83)
Brand:
Amperex
Classification:
Twin Triode
Model:
12AX7WA/ECC83
Brand:
Sylvania Jan
Classification:
Twin Triode
Model:
12AX7/ECC83
Brand:
Mullard (old logo)
Classification:
Twin Triode
Model:
ECC83/12AX7
Brand:
Mazda
Classification:
Twin Triode (grey plate)