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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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UF 11 vacuum tube outline illustration

Tube-number record

UF 11

0 archive entries

UF 11 is a tube type in the TubeDatabase archive (class: Pentode). Recorded specifications: brand Telefunken, year 1942, construction Pentode, and maximum plate voltage 300 V. The archive does not yet hold a photographed example of this type.

BrandTelefunken
ClassPentode
Filament15 V @ 100 mA

Construction

Primary TypePentode
EnvelopeSteel
Sections1

Filament / Heater

Heater NotesIndirectly heated, GW-Heizung

Absolute Maximum Ratings

Plate Voltage300 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
HF/ZF-Verstarker200 V22001500000—6 mA
HF/ZF-Verstarker100 V1700800000—2.7 mA

Application Notes

Variable-mu pentode for RF, IF and AF amplification in AC/DC sets.

Filters

0 tubes found

Manufacturers

Brands

    0 results
    Grid 2 Voltage300 V
    Grid 1 Voltage-1.3 V
    Cathode Current10 mA
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Regelbare HF-, ZF- und NF-Pentode
    • Steel envelope