Model:
ECC83/12AX7
Brand:
EI
Classification:
Twin Triode , 17mm long silver plate
Model:
12AX7/CV4004/ECC83
Brand:
Brimar
Classification:
Twin Triode
Model:
12AU7/5814A (ECC82)
Brand:
Philips Jan
Classification:
Twin Triode
Model:
12AX7/ECC83
Brand:
RCA
Classification:
Twin Triode
Model:
12AX7/7025 (ECC83)
Brand:
RCA
Classification:
Twin Triode
Model:

12AU7/ECC82
Brand:
Fullmusic, China
Classification:
Twin Triode, gold pin
Model:

12AX7/ECC83
Brand:
Fullmusic, China
Classification:
Twin Triode, gold pin
Model:
E82CC/6189 (12AU7)
Brand:
Siemens
Classification:
Twin Triode