Tube-number record
7328A
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BrandWestinghouse
ClassLow Mu Power Triode
Construction
Primary TypeTriode
EnvelopeGlass/Metal
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage10000 V
Plate Dissipation20000 W
Grid 1 Voltage-6000 V
Cathode Current60000 mA
Audio Performance
Power Output65000 W
Key Features
- Thoriated Tungsten Filament
- Forced Air Cooling
- High Vacuum
- Low Mu
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class AB1 Operation (Two Tubes) | 10000 V | — | — | 6 | 8200 mA |
| Class AB2 Operation (Two Tubes) | 10000 V | — | — | 6 | 9300 mA |
Application Notes
Designed for service as a modulator or AF amplifier, particularly suitable for Class AB1 or AB2 circuits. Capable of dissipating 20 KW CCS with forced air cooling.
Datasheets
Datasheet: 7328A.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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