Tube-number record
8AU8/8AU8A
0 archive entries
8AU8/8AU8A is a tube type in the TubeDatabase archive (class: Triode Pentode). Recorded specifications: brand TUNG-SOL, year 1957, construction Multi-section, base Glass, socket Noval (B9A), 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
ClassTriode Pentode
BaseNoval (B9A)
Filament8.4 V @ 450 mA
Construction
Primary TypeMulti-section
EnvelopeGlass
Base MaterialGlass
Sections2
Filament / Heater
Heater NotesAC or DC, Series heater operation
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Pentode Section | 200 V | 7000 | 150000 | — | 15 mA |
| Class A Triode Section | 150 V | 4900 | 8200 | 40 | 9 mA |
Application Notes
Designed for 450 mA series heater monochrome and color television receivers. Pentode section suited for video, video IF, and sound IF amplifiers. Triode section intended for sync amplifiers, separators, clippers, or sweep oscillators.
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