RD75YH
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BrandTESLA
ClassTransmitting triode
Construction
Primary Typetriode
EnvelopeLead glass / OFHC copper
Base MaterialCopper / Water cooled
Sections1
Filament / Heater
Materialthoriated tungsten
Absolute Maximum Ratings
Plate Voltage20000 V
Plate Dissipation75000 W
Cathode Current12000 mA
Audio Performance
Key Features
- Directly heated
- Water cooled anode
- Forced air cooling for terminals
- Corona ring
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Power Amplifier | 20000V | - | 4150 | 45 | - |
Application Notes
Vertical mounting position, anode down. Each tube is marked with the filament voltage at which emission is 50A.
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