Tube-number record
4019-A
0 archive entries
4019-A is a tube type in the TubeDatabase archive (class: Triode). Recorded specifications: brand Standard Valves, construction Triode, socket 4-pin, and maximum plate voltage 190 V. The archive does not yet hold a photographed example of this type.
BrandStandard Valves
ClassTriode
Base4-pin
Construction
Primary TypeTriode
EnvelopeGlass
Filament / Heater
MaterialOxide coated
Absolute Maximum Ratings
Plate Voltage190 V
Audio Performance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Nominal | 130 V | 1270 | 5500 | 7 | 6.8 mA |
| Typical Operation 1 | 130 V | — | 4800 | — | 9.7 mA |
| Typical Operation 2 | 160 V | — | 4700 | — | 9.8 mA |
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