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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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6AS7G vacuum tube outline illustration

Tube-number record

6AS7G

0 archive entries

6AS7G is a tube type in the TubeDatabase archive (class: Twin Triode). Recorded specifications: brand TUNG-SOL, year 1961, construction Triode, base Phenolic, socket Octal, maximum plate voltage 275 V, and maximum plate dissipation 14 W. The archive does not yet hold a photographed example of this type.

BrandTUNG-SOL
ClassTwin Triode
BaseOctal
Filament6.3 V @ 2500 mA

Construction

Primary TypeTriode
EnvelopeST-16
Base MaterialPhenolic
Sections2

Filament / Heater

Heater NotesMinimum cathode heating time: 30 seconds

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Series Regulator135 V7000—2125 mA

Application Notes

Widely used as a passing tube or series regulator in electronically regulated power supplies. For parallel operation, cathode resistors are recommended to equalize current division. A 30-second cathode warmup is recommended before plate voltage is applied.

Filters

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Manufacturers

Brands

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    Plate Voltage275 V
    Plate Dissipation14 W
    Cathode Current125 mA
    H-C Voltage300 V

    Audio Performance

    Key Features
    • High Perveance
    • Low Plate Voltage Operation
    • Series Regulation
    • Any Mounting Position