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

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6HB7 vacuum tube outline illustration

Tube-number record

6HB7

0 archive entries

6HB7 is a tube type in the TubeDatabase archive (class: Medium-Mu Triode—Sharp-Cutoff Pentode). Recorded specifications: brand RCA, construction Multi-section, base Small-Button Noval 9-Pin, socket Noval (B9A), maximum plate voltage 330 V, and maximum plate dissipation 3.1 W. The archive does not yet hold a photographed example of this type.

BrandRCA
ClassMedium-Mu Triode—Sharp-Cutoff Pentode
BaseNoval (B9A)
Filament6.3 V @ 450 mA

Construction

Primary TypeMulti-section
EnvelopeT6-1/2
Base MaterialSmall-Button Noval 9-Pin
Sections2

Filament / Heater

Heater NotesControlled Heater Warm-up Time; RCA Dark Heater

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Triode Unit Class A1150 V850050004018 mA
Pentode Unit Class A1125 V6400200000—12 mA

Application Notes

Useful as a combined oscillator-mixer tube in television receivers utilizing an intermediate frequency in the order of 40 Mc.

Datasheets

Datasheet: 6HB7.pdf

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

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Brands

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    Plate Voltage330 V
    Plate Dissipation3.1 W
    Grid 2 Voltage330 V
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Dark Heater
    • Controlled Warm-up Time
    • Internal Shield
    • High Transconductance
    • Low Grid-No.1-to-plate capacitance