Tube-number record
M8161
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M8161 is a tube type in the TubeDatabase archive (class: Variable-mu R.F. Pentode). Recorded specifications: brand Mullard, construction Pentode, socket Miniature 7-pin (B7G), maximum plate voltage 300 V, and maximum plate dissipation 3 W. The archive does not yet hold a photographed example of this type.
BrandMullard
ClassVariable-mu R.F. Pentode
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 200 mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation3 W
Grid 2 Voltage300 V
Grid 1 Voltage-55 V
Cathode Current14 mA
H-C Voltage150 V
Audio Performance
Key Features
- Special quality
- Vibration and shock resistant
- Variable-mu
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 200 V | 2450 | 900000 | 30 | 8.25 mA |
Datasheets
Datasheet: M8161.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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