Tube-number record
6AW8-A
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6AW8-A is a tube type in the TubeDatabase archive (class: Miniature Triode-Pentode). Recorded specifications: brand General Electric, construction Multi-section, base Glass, socket Noval (B9A), maximum plate voltage 330 V, and maximum plate dissipation 3.75 W. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassMiniature Triode-Pentode
BaseNoval (B9A)
Filament6.3 V @ 0.6 mA
Construction
Primary TypeMulti-section
EnvelopeT-6 1/2
Base MaterialGlass
Sections2
Filament / Heater
Heater NotesControlled warm-up characteristic
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation3.75 W
Grid 2 Voltage330 V
Grid 1 Voltage-50 V
H-C Voltage200 V
Audio Performance
Key Features
- High-mu triode
- Sharp-cutoff pentode
- Controlled heater-warm-up
- Controlled plate-knee characteristic
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Section Class A1 (High Current) | 65 V | — | — | — | 42 mA |
| Pentode Section Class A1 (Standard) | 200 V | 9000 | 400000 | — | 13 mA |
| Triode Section Class A1 | 200 V | 4000 | 17500 | 70 | 4 mA |
Application Notes
Triode intended for sync separator; pentode section intended for video amplifier.
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