GE Essential Characteristics lists two entries: one as 'Remote-Cutoff R-F Pentode' (B7G, 7CM base) and one as 'Power Amplifier Pentode' (6CH base). The B7G miniature version is the standard 6BJ6.
Philips interchange lists 7694/E99F as replacement.
Predecessor models include 7A7, 7B7, 6SS7GT.
Pin Layout — B7G
1Control Grid (g1)
2Cathode,Suppressor Grid (g3)
3Heater
4
Socket-Compatible Tubes ⚠ Not electrically compatible