Tube-number record
319
0 archive entries
319 is a tube type in the TubeDatabase archive (class: Double Triode). Recorded specifications: brand Valvo, construction Dual triode, and socket Noval (B9A). The archive does not yet hold a photographed example of this type.
BrandValvo
ClassDouble Triode
BaseNoval (B9A)
Filament6.3 V @ 300 mA
Construction
Primary TypeDual triode
Sections2
Filament / Heater
Absolute Maximum Ratings
Audio Performance
Key Features
- Long Life
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical | 90 V | 12500 | — | — | 14.5 mA |
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