Tube-number record
MH4
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BrandMarconi
ClassMedium slope general purpose triode
Base5-pin
Filament4 V @ 1 mA
Construction
Primary TypeTriode
EnvelopeGlass
Filament / Heater
Absolute Maximum Ratings
Plate Voltage200 V
Audio Performance
Key Features
- suitable for use as detector, L.F. amplifier, in phase charging circuits, as an oscillator
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| At Ea 100, Eg 0 | 100 V | 3600 | 11100 | 40 | — |
| L.F. Amplifier | 175 V | — | — | — | — |
Application Notes
Metallised valve capacities: G-E 7.0 pF, G-A 5.1 pF, A-E 6.5 pF.
Datasheets
Datasheet: MH4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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