Tube-number record
GL-441
0 archive entries
GL-441 is a tube type in the TubeDatabase archive (class: Phototube). Recorded specifications: brand General Electric, construction High-vacuum phototube, socket Subminiature, and maximum plate voltage 250 V. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassPhototube
BaseSubminiature
Construction
Primary TypeHigh-vacuum phototube
EnvelopeT-9
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Audio Performance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard | 250 V | — | — | — | 0.0001 mA |
Application Notes
Particularly suitable for measurement and relay applications due to its stability and high blue sensitivity.
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