Tube-number record
7691
0 archive entries
7691 is a tube type in the TubeDatabase archive (class: Hard Tube Pulse Modulator). Recorded specifications: brand Westinghouse, construction Triode, maximum plate voltage 60000 V, and maximum plate dissipation 10000 W. The archive does not yet hold a photographed example of this type.
BrandWestinghouse
ClassHard Tube Pulse Modulator
Construction
Primary TypeTriode
EnvelopeForced Air Cooled
Sections1
Filament / Heater
MaterialThoriated-Tungsten
Warm-up Time15s
Absolute Maximum Ratings
Plate Voltage60000 V
Plate Dissipation10000 W
Grid 1 Voltage-3500 V
Cathode Current500 mA
Audio Performance
Key Features
- Forced air cooled
- Multiple-strand thoriated-tungsten filament
- X-ray generation warning for operation above 16 kV
- Vertical mounting (anode down)
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Hard-Tube Modulator | 60000 V | — | — | 24 | — |
Application Notes
Designed for pulse applications as a hard-tube modulator. The anode is capable of dissipating 10 kilowatts, exclusive of filament heating power. Equipment design should consider soft x-ray generation above 16 kV.
Datasheets
Datasheet: 7691.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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