300B
1 Tube in archive
BrandWestern Electric
ClassTriode power amplifier
BaseMedium 4-pin
Construction
Primary TypeTriode
EnvelopeST-16
Base MaterialMedium 4-pin with skew bayonet pin
SectionsSingle
Filament / Heater
MaterialCoated Filament
Absolute Maximum Ratings
Plate Voltage400 V
Plate Dissipation36 W
Audio Performance
Power Output8 W
Key Features
- Filamentary type triode
- Audio-frequency power amplifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Single Tube Amplifier - Class A1 | 300V | 5300 | 740 | 3.9 | 62mA |
| Single Tube Amplifier - Class A1 | 350V | 5000 | 790 | 3.9 | 60mA |
| Push-Pull Amplifier - Class A1 | 300V | - | 4000 | - | 100mA |
| Push-Pull Amplifier - Class A1 | 350V | - | 4000 | - | 170mA |
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