Tube-number record
5659
0 archive entries
5659 is a tube type in the TubeDatabase archive (class: Beam power amplifier pentode). Recorded specifications: brand General Electric, year 1947, construction Beam tetrode / beam power, socket Octal, maximum plate voltage 250 V, and maximum plate dissipation 7.5 W. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassBeam power amplifier pentode
BaseOctal
Filament12.6 V @ 150 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeMT-8
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation7.5 W
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 250 V | 3000 | 70000 | — | 30 mA |
Application Notes
The D-C resistance in the grid circuit, under rated maximum conditions, should not exceed 500000 Ohms for self-bias operation and 100000 Ohms for fixed bias operation.
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