Tube-number record
C-327
0 archive entries
C-327 is a tube type in the TubeDatabase archive (class: General Purpose Triode). Recorded specifications: brand Cunningham, construction Triode, socket 5-pin, and maximum plate voltage 180 V. The archive does not yet hold a photographed example of this type.
BrandCunningham
ClassGeneral Purpose Triode
Base5-pin
Filament2.5 V @ 1750 mA
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesAlternating current operation
Absolute Maximum Ratings
Plate Voltage180 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Detector | 45 V | — | — | — | — |
| Amplifier | 90 V | — | — | — | — |
| Amplifier | 135 V | — | — | — | — |
Application Notes
In some circuits, biasing of the heater approximately 9 volts negative with respect to the cathode may be beneficial for best operation. A heater/cathode bias higher than 9 volts is not recommended.
0 results