Tube-number record
374
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BrandWestern Electric
ClassVacuum Tube
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage190 V
Plate Dissipation10 W
Grid 2 Voltage190 V
Audio Performance
Key Features
- Power Pentode
- Filamentary Cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Pentode | 130 V | 4100 | 18000 | 75 | 42 mA |
Application Notes
The 374 type is a filamentary power pentode designed for use as an audio-frequency power amplifier.
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