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Tube-number record

VMP4G

0 archive entries

BrandMarconi
ClassVariable Mu H.F. Pentode
Base7-pin (non-miniature)
Filament4 V @ 1 mA

Construction

Primary TypePentode
EnvelopeMetallised

Filament / Heater

Absolute Maximum Ratings

Plate Voltage250 V
Grid 2 Voltage100 V

Audio Performance

Key Features
  • Variable Mu
  • Low leakage capacity
  • High slope

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation 1250 V————
Typical Operation 2250 V————
Typical Operation 3250 V————

Application Notes

Suitable for H.F. and I.F. amplification. Grid base is normally 25 volts but can be extended by using a series feed to the screen.

Datasheets

Datasheet: VMP4G.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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    Typical Operation 5200 V————
    Typical Operation 6200 V————