RF PENTODE
0 Tubes in archive
BrandStandard Valves
ClassTransmitting Tube
BaseSpecial British 7-pin
Filament10V @ 1300mA
Construction
Primary TypePentode
EnvelopeGlass
Base MaterialSpecial British 7-pin
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated oxide coated, Constant voltage type
Absolute Maximum Ratings
Plate Voltage1250 V
Plate Dissipation50 W
Grid 2 Voltage400 V
Audio Performance
Key Features
- Indirectly heated
- Oxide coated
- Top cap anode connection type B
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Static Measurement | 1000V | 4500 | - | - | - |
| Class C Amplifier Unmodulated | 1200V | - | - | - | 77mA |
| Class C Amplifier Suppressor Grid Modulated | 1200V | - | - | - | 38mA |
| Class C Telephony Grid Modulated | 1200V | - | - | - | 45mA |
| Class B Telephony Grid Modulated | 1200V | - |
Application Notes
Top cap type B connection for anode. Suppressor grid can be modulated for carrier output.
Sort by
Showing 1 to 0 of 0 results