Tube-number record
TA 10/1250
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TA 10/1250 is a tube type in the TubeDatabase archive (class: Transmitting Tube). Recorded specifications: brand Philips, construction Triode, maximum plate voltage 12000 V, and maximum plate dissipation 400 W. The archive does not yet hold a photographed example of this type.
BrandPhilips
ClassTransmitting Tube
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialTungsten
Absolute Maximum Ratings
Plate Voltage12000 V
Plate Dissipation400 W
Audio Performance
Power Output1250 W
Key Features
- Designed for large telegraphy transmitters
- Suitable as oscillator in telephony transmitters
- High efficiency operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Telegraphy / Oscillator | 10000 V | 3000 | 50000 | 150 | — |
Application Notes
Normal anode voltage is 10,000V but can be increased to 12,000V. Good efficiency maintained down to 4,000V.
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