Tube-number record
4C32
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4C32 is a tube type in the TubeDatabase archive (class: Power Triode). Recorded specifications: brand Lewis and Kaufman, construction Triode, maximum plate voltage 3000 V, and maximum plate dissipation 200 W. The archive does not yet hold a photographed example of this type.
BrandLewis and Kaufman
ClassPower Triode
Construction
Primary TypeTriode
EnvelopeGlass
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage3000 V
Plate Dissipation200 W
Grid 1 Voltage-500 V
Cathode Current300 mA
Audio Performance
Power Output650 W
Key Features
- Thoriated Tungsten filament
- High Amplification Factor
- Diathermy application
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class B Audio-Frequency Power Amplifier, Two Tubes | 2000 V | 5500 | — | 30 | 460 mA |
| Class B Radio-Frequency Power Amplifier | 2000 V | 5500 | — | 30 | 140 mA |
| Class C Radio-Frequency Power Amplifier and Oscillator, Plate Modulated | 2000 V | 5500 | — |
Application Notes
The upper frequency limit of the 4C32 at full ratings is 60 mc. It may be operated above this frequency if the plate voltage and power input are appropriately decreased as the frequency is increased, and if adequate ventilation of the bulb is provided.
Datasheets
Datasheet: 4C32.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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