TA 12/20000 K
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BrandPhilips
ClassTransmitting Tube
Construction
Primary TypeTriode
EnvelopeGlass/Metal (Water-Cooled)
Base MaterialChrome iron alloy seal
SectionsSingle
Filament / Heater
MaterialTungsten
Absolute Maximum Ratings
Plate Voltage15000 V
Plate Dissipation12000 W
Audio Performance
Power Output21600 W
Key Features
- Water cooling
- Chrome iron alloy glass seal
- High grid current capacity
- Shortwave operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class-B Telephony (150m) | 15000V | 8000 | 4250 | 34 | 1200mA |
| Class-B Telephony (30m) | 11500V | 12000 | 4250 | 34 | 1300mA |
Application Notes
Designed for telegraphy and telephony (Class B) at short and long wavelengths. Recommended rectifier: Philips DA 12/24000.
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