Tube-number record
4069-A
0 archive entries
4069-A is a tube type in the TubeDatabase archive (class: Pentode). Recorded specifications: brand Standard Valves, construction Pentode, socket 5-pin, maximum plate voltage 2000 V, and maximum plate dissipation 100 W. The archive does not yet hold a photographed example of this type.
BrandStandard Valves
ClassPentode
Base5-pin
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage2000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Constants (Gm Measurement) | 2000 V | 4500 | — | — | — |
| Class B Telephony | 2000 V | — | — | — | 75 mA |
| Class C Telephony - Control grid modulated | 2000 V | — | — | — |
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