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

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6SF5 vacuum tube outline illustration

Tube-number record

6SF5

0 archive entries

6SF5 is a tube type in the TubeDatabase archive (class: High-Mu Triode). Recorded specifications: brand RCA, construction Triode, base small wafer octal 6-pin, socket Octal, and maximum plate voltage 300 V. The archive does not yet hold a photographed example of this type.

BrandRCA
ClassHigh-Mu Triode
BaseOctal
Filament6.3 V @ 300 mA

Construction

Primary TypeTriode
Envelopemetal
Base Materialsmall wafer octal 6-pin
Sectionssingle

Filament / Heater

Heater NotesA.C. or D.C.

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A1 Amplifier100 V1150850001000.4 mA
Class A1 Amplifier250 V1500660001000.9 mA

Application Notes

The 6SF5 is recommended for use in resistance-coupled circuits. Operating conditions are the same as those for type 6F5.

Datasheets

Datasheet: 6SF5.pdf

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

Filters

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Manufacturers

Brands

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    Plate Voltage300 V
    H-C Voltage90 V

    Audio Performance

    Typical THD5%
    Key Features
    • Single-ended construction
    • Interlead shielding between grid and heater
    • Metal envelope
    • Unipotential cathode