Model:
12AX7/5751 (ECC83)
Brand:
Amperex
Classification:
Twin Triode
Model:
12AU7/6189
Brand:
Sylvania Jan
Classification:
Twin Triode
Model:
12AU7/5814-GB
Brand:
Sylvania, Gold Brand
Classification:
Twin Triode
Model:
12AX7/5751-GB
Brand:
Sylvania, Gold Brand
Classification:
Twin Triode
Model:
12AX7WA/ECC83
Brand:
Sylvania Jan
Classification:
Twin Triode
Model:
12AX7/ECC83
Brand:
Mullard (old logo)
Classification:
Twin Triode
Model:
7247/12DW7
Brand:
G.E.
Classification:
Twin Triode
Model:
12DW7/7247
Brand:
Mullard
Classification:
Twin Triode