Tube-number record
R.F. VARIABLE MU PENTODE
0 archive entries
R.F. VARIABLE MU PENTODE is a tube type in the TubeDatabase archive (class: RF Pentode). Recorded specifications: brand BRIMAR, construction Pentode, socket 5-pin, and maximum plate voltage 250 V. The archive does not yet hold a photographed example of this type.
BrandBRIMAR
ClassRF Pentode
Base5-pin
Filament4 V @ 1000 mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater Notes4.0 volts +/- 5%
Absolute Maximum Ratings
Plate Voltage250 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Minimum Bias | 200 V | 4250 | — | — | — |
| Cut-off / High Bias | 200 V | 100 | — | — | — |
Application Notes
Particularly suitable for use in receivers employing automatic volume control (AVC). Eliminates cross modulation and modulation distortion.
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