Tube-number record
TBH 7/8000
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ClassIndustrial R.F. Power Triode
Construction
Primary TypeTriode
EnvelopeWater cooled with integral helical cooler
Base MaterialGlass/Metal
SectionsSingle
Filament / Heater
Materialthoriated tungsten
Absolute Maximum Ratings
Plate Voltage7000 V
Plate Dissipation6000 W
Grid 1 Voltage-1250 V
Cathode Current1800 mA
Audio Performance
Key Features
- Water cooled industrial triode
- Integral helical cooler
- Thoriated tungsten filament
- Direct heating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Characteristics | 6000 V | 15000 | — | 32 | 1000 mA |
| Class C Oscillator | 6000 V | — | — | — | 1500 mA |
Application Notes
Vertical mounting position with anode down. No air cooling required up to 30 Mc/s at ambient temperatures below 35 C. Use low velocity air flow for higher frequencies or temperatures.
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