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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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DAF 191 vacuum tube outline illustration

Tube-number record

DAF 191

0 archive entries

DAF 191 is a tube type in the TubeDatabase archive (class: Diode and Pentode for AF Amplification). Recorded specifications: brand VEB Röhrenwerk Anna Seghers, year 1953, construction Multi-section, socket Miniature 7-pin (B7G), maximum plate voltage 90 V, and maximum plate dissipation 0.15 W. The archive does not yet hold a photographed example of this type.

BrandVEB Röhrenwerk Anna Seghers
ClassDiode and Pentode for AF Amplification
BaseMiniature 7-pin (B7G)

Construction

Primary TypeMulti-section
EnvelopeGlass
Sections2

Filament / Heater

MaterialDirectly Heated

Absolute Maximum Ratings

Plate Voltage90 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Pentode Section67.5 V70060000018.182.2 mA

Application Notes

Designed for AF amplification in battery receivers.

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    Plate Dissipation
    0.15 W
    Grid 2 Voltage90 V
    Cathode Current2.5 mA

    Audio Performance

    Key Features
    • Battery-operated
    • Small size
    • Dual section (Diode/Pentode)