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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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6Ф4П vacuum tube outline illustration

Tube-number record

6Ф4П

0 archive entries

6Ф4П is a tube type in the TubeDatabase archive (class: Triode-Pentode). Recorded specifications: brand Soviet, base Glass, socket Noval (B9A), maximum plate voltage 250 V, and maximum plate dissipation 4 W. The archive does not yet hold a photographed example of this type.

BrandSoviet
ClassTriode-Pentode
BaseNoval (B9A)
Filament6.3 V @ 720 mA

Construction

EnvelopeGlass
Base MaterialGlass
SectionsTriode, Pentode

Filament / Heater

Heater NotesIndirectly heated

Absolute Maximum Ratings

Plate Voltage250 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Triode Part200 V400016250653 mA
Pentode Part170 V11000100000—18 mA

Application Notes

Pentode part designed for output stages of video and LF amplifiers. Triode part suitable for AGC circuits and LF preamplifiers in TV and broadcast receivers.

Filters

0 tubes found

Manufacturers

Brands

    0 results
    Plate Dissipation4 W
    Grid 2 Voltage250 V
    Grid 1 Voltage-200 V
    Cathode Current40 mA
    H-C Voltage150 V

    Audio Performance

    Key Features
    • Miniature design
    • Rigid leads
    • Oxide-coated cathode
    • Resistant to high humidity