Tube-number record
CAT 14 / CAT 14C
0 archive entries
CAT 14 / CAT 14C is a tube type in the TubeDatabase archive (class: Triode). Recorded specifications: brand Marconi, construction Triode, base Copper and Glass, socket Special / none, maximum plate voltage 20000 V, and maximum plate dissipation 150000 W. The archive does not yet hold a photographed example of this type.
BrandMarconi
ClassTriode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeWater-cooled anode
Base MaterialCopper and Glass
SectionsSingle
Filament / Heater
MaterialTungsten
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| HF Power Amplifier Class C Telegraphy | 20000 V | 50000 | 900 | 45 | 18800 mA |
| HF Power Amplifier Class C Modulated | 15000 V | 50000 | 900 | 45 | 9800 mA |
| HF Power Amplifier Class B Telephony | 15000 V | 50000 | 900 | 45 |
Application Notes
Valves are suitable for use as high frequency amplifiers at frequencies up to 10 Mc/s. Filament voltage must be reduced to half during standby periods if longer than 15 minutes.
0 results