Tube-number record
800
0 archive entries
800 is a tube type in the TubeDatabase archive (class: Transmitting Triode). Recorded specifications: brand RCA, year 1944, construction Triode, socket 4-pin, maximum plate voltage 1250 V, and maximum plate dissipation 35 W. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassTransmitting Triode
Base4-pin
Construction
Primary TypeTriode
EnvelopeS21
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage1250 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C Telegraphy | 1250 V | — | — | 15 | 70 mA |
| Class B A-F (2 Tubes) | 1250 V | — | — | 15 | 130 mA |
| Class C Telephony (Plate-Modulated) | 1000 V | — | — | — | 70 mA |
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