Tube-number record
811A
0 archive entries
811A is a tube type in the TubeDatabase archive (class: Power Triode). Recorded specifications: brand RCA, year 1963, construction Triode, base Micanol, socket 4-pin, maximum plate voltage 1500 V, and maximum plate dissipation 65 W. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassPower Triode
Base4-pin
Construction
Primary TypeTriode
EnvelopeST19
Base MaterialMicanol
Sections1
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class B AF Power Amplifier (Two Tubes, ICAS) | 1500 V | — | — | 160 | 32 mA |
| Class C Telegraphy (ICAS) | 1500 V | — | — | 160 | 173 mA |
Application Notes
The 811A is not recommended for oscillator service in applications involving wide variations in load; the 812A is preferred for such uses.
0 results