829B
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ClassTwin Beam Power Pentode
BaseSeptar
Filament6.3V @ 2.25mA
Construction
Primary TypeBeam Pentode
EnvelopeGlass
Sections2
Filament / Heater
Heater NotesSeries or parallel operation
Absolute Maximum Ratings
Plate Voltage600 V
Plate Dissipation40 W
Grid 2 Voltage200 V
Grid 1 Voltage-175 V
Cathode Current240 mA
Audio Performance
Key Features
- Dual section
- Beam power tube
- Internal neutralization
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C Telegraphy | 600V | 8500 | - | - | 120mA |
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