Tube-number record
TA 1/40
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BrandPhilips
ClassTransmitting Triode
Filament10 V @ — mA
Construction
Primary TypeTriode
EnvelopeGlass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage1000 V
Plate Dissipation50 W
Cathode Current70 mA
Audio Performance
Key Features
- External anode contact at top
- Low internal capacitance
- Suitable for short and long waves
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Transmitter | 1000 V | 2000 | 6000 | 12 | — |
Application Notes
Specifically suited for amateurs wanting higher power and military applications.
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