Tube-number record
BEAM POWER PENTODE
0 archive entries
BEAM POWER PENTODE is a tube type in the TubeDatabase archive (class: Power Tube). Recorded specifications: construction Beam tetrode / beam power, socket Miniature 7-pin (B7G), maximum plate voltage 275 V, and maximum plate dissipation 12 W. The archive does not yet hold a photographed example of this type.
ClassPower Tube
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 450 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesIndirectly heated cathode
Absolute Maximum Ratings
Plate Voltage275 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 250 V | 4100 | 52000 | — | 45 mA |
Application Notes
Commonly used in mobile and military audio output stages.
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