Tube-number record
6GH8-A
0 archive entries
6GH8-A is a tube type in the TubeDatabase archive (class: Triode-Pentode). Recorded specifications: brand General Electric, construction Pentode, base Glass, socket Noval (B9A), maximum plate voltage 350 V, and maximum plate dissipation 2.65 W. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassTriode-Pentode
BaseNoval (B9A)
Filament6.3 V @ 450 mA
Construction
Primary TypePentode
EnvelopeT-6 1/2
Base MaterialGlass
Sections2
Filament / Heater
Warm-up Time11s
Heater NotesAC or DC
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Section | 125 V | 7500 | 200000 | — | 12 mA |
| Triode Section | 125 V | 8500 | 5400 | 46 | 13.5 mA |
Application Notes
The pentode section is intended primarily for service as an oscillator in the horizontal-deflection system of television receivers.
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