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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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MF 6 vacuum tube outline illustration

Tube-number record

MF 6

0 archive entries

MF 6 is a tube type in the TubeDatabase archive (class: HF-Pentode). Recorded specifications: brand Telefunken, year 1942, construction Pentode, socket Special / none, maximum plate voltage 200 V, and maximum plate dissipation 1 W. The archive does not yet hold a photographed example of this type.

BrandTelefunken
ClassHF-Pentode
BaseSpecial / none

Construction

Primary TypePentode
EnvelopeMetal
Sections1

Filament / Heater

MaterialOxide

Absolute Maximum Ratings

Plate Voltage200 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
HF-Verstärkung150 V95012000008502 mA

Application Notes

Short-term fluctuations in heater voltage by more than +/- 0.2 V can endanger the tube.

Filters

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Manufacturers

Brands

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    Plate Dissipation
    1 W
    Grid 2 Voltage120 V
    Cathode Current5 mA

    Audio Performance

    Key Features
    • High frequency amplification up to 5m wavelength
    • Directly heated oxide cathode