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

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6BM5 vacuum tube outline illustration

Tube-number record

6BM5

0 archive entries

6BM5 is a tube type in the TubeDatabase archive (class: Power Pentode). Recorded specifications: brand Mazda Belvu, construction Pentode, socket Special / none, and maximum plate dissipation 9 W. The archive does not yet hold a photographed example of this type.

BrandMazda Belvu
ClassPower Pentode
BaseSpecial / none
Filament6.3 V @ 450 mA

Construction

Primary TypePentode
EnvelopeA19-4
SectionsSingle

Filament / Heater

Heater NotesIndirect heating, parallel supply

Absolute Maximum Ratings

Plate Dissipation9 W

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A Amplifier250 V70006000042030 mA

Datasheets

Datasheet: 6BM5.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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    H-C Voltage50 V

    Audio Performance

    Typical THD10%
    Power Output3.5 W
    Key Features
    • Indirectly heated cathode
    • Mounting position: any