1E7, (pre-penthode).
6AQ5A, (12 W beam pentode).
6L6GB, (20 W beam pentode).
6L6GC, (20 W beam pentode).
6LB6, (horizontal deflection pentode amplifier).
6SJ7GT, (RF or AF amplifier).
6SK7GT, (RF or IF pentode amplifier).
6V6GT, (14 W beam pentode).
6W6GT, (10 W beam pentode).
12BL6, (RF/IF pentode amplifier).
12BY7A, (high transconductance pentode).
12E1, (35 W pentode).
(WE)307A, (15 W pentode).
807, (25 W beam tetrode).
5879, (Critical audio applications).
6146, (25 W beam pentode).
6550, (30 W beam pentode).
6973, (12 W beam pentode).
7189A, (14 W beam pentode).
7534, (27.5 W wideband pentode).
7543, (AF amplifier).
7591A, (19 W beam pentode).
7868, (19 W beam pentode).
8417, (35 W beam pentode).
E180F/6688, (Shockproof wideband amplifier).
E810F/7788, (Shockproof wideband amplifier).
EF86, (high gain pre-penthode).
EL34, (25 W pentode).
EL84/6BQ5, (12 W beam pentode).
EL509, (30 W pentode).
KT66, (25 W beam tetrode).
KT88, (35 W beam tetrode).
KT90, (50 W beam tetrode).
PL504, (19 W beam pentode).
WE436 triode connected, (preamp pentode).