Tube-number record
6FM8
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BrandGeneral Electric
ClassDuplex-Diode High-Mu Triode
BaseNoval (B9A)
Filament6.3 V @ 450 mA
Construction
Primary TypeMulti-section
EnvelopeT-6 1/2
Base MaterialGlass
Sections3
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation1.1 W
Cathode Current5 mA
H-C Voltage200 V
Audio Performance
Key Features
- Separate cathodes for each diode and triode section
- Designed for FM detector and AF voltage amplifier applications
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 250 V | 1200 | 58000 | 70 | 1 mA |
Datasheets
Datasheet: 6FM8.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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