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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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6BF11 vacuum tube outline illustration

Tube-number record

6BF11

0 archive entries

6BF11 is a tube type in the TubeDatabase archive (class: Compactron Dissimilar Double Pentode). Recorded specifications: brand General Electric, year 1967, construction Pentode, base Glass, socket Compactron, maximum plate voltage 330 V, and maximum plate dissipation 4.5 W. The archive does not yet hold a photographed example of this type.

BrandGeneral Electric
ClassCompactron Dissimilar Double Pentode
BaseCompactron
Filament6.3 V @ 1200 mA

Construction

Primary TypePentode
EnvelopeT-9, Glass
Base MaterialGlass
Sections2

Filament / Heater

Heater NotesAC or DC

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Section 1 - Class A1 Amplifier145 V860030000—30 mA

Application Notes

Intended for use as an FM detector (Section 2) and audio output amplifier (Section 1) in television receivers. High dynamic plate resistance in Section 1 minimizes hum currents.

Filters

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Manufacturers

Brands

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    Plate Voltage
    330 V
    Plate Dissipation4.5 W
    Grid 2 Voltage145 V
    Cathode Current50 mA
    H-C Voltage200 V

    Audio Performance

    Typical THD10%
    Power Output2.1 W
    Key Features
    • Compactron design
    • Low hum
    • Dual-control pentode section
    • Power pentode section