Tube-number record
TA 7/700
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BrandPhilips
ClassTransmitting Tube
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage7000 V
Plate Dissipation400 W
Audio Performance
Power Output700 W
Key Features
- Ruggedized construction
- High operating reliability
- Suitable for high plate voltages
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Telegraphy @ 7000V | 7000 V | 1700 | 45000 | 75 | 60 mA |
Application Notes
The tube can operate with plate voltages up to 7000V, but still maintains relatively good efficiency at 4000V. Recommended rectifier is Philips DA 7/700.
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