Tube-number record
4609
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ClassTriode
Construction
Primary TypeTriode
Sections1
Filament / Heater
Materialdirect
Absolute Maximum Ratings
Plate Voltage150 V
Plate Dissipation1.2 W
Grid 1 Voltage0.5 V
Cathode Current15 mA
Audio Performance
Key Features
- TRIODE for use in telephone equipment
- Directly heated by D.C.
- Series or parallel supply
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical characteristics | 130 V | 2300 | 4800 | 11 | 8 mA |
| Pre-amplifier | 130 V | — | — | — | 8 mA |
Application Notes
Specifically designed for pre-amplifier use in telephone equipment.
Datasheets
Datasheet: 4609.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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