Tube-number record
6SH7GT
0 archive entries
6SH7GT is a tube type in the TubeDatabase archive (class: Sharp Cut-off RF Amplifier Pentode). Recorded specifications: brand TUNG-SOL, year 1945, construction Pentode, socket Octal, maximum plate voltage 300 V, and maximum plate dissipation 3 W. The archive does not yet hold a photographed example of this type.
BrandTUNG-SOL
ClassSharp Cut-off RF Amplifier Pentode
BaseOctal
Filament6.3 V @ 300 mA
Construction
Primary TypePentode
EnvelopeT-9
SectionsSingle
Filament / Heater
Heater NotesAC OR DC
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation3 W
Grid 2 Voltage150 V
Audio Performance
Key Features
- Triple grid
- Sharp cut-off
- Double cathode connection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation 1 | 100 V | 4000 | 350000 | — | 5.3 mA |
| Typical Operation 2 | 250 V | 4900 | 900000 | — | 10.8 mA |
Application Notes
Designed for service in high gain RF and IF amplifier applications and for limiter service in FM receivers. The double cathode connection is useful in reducing cathode circuit coupling.
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