Tube-number record
GL-929
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BrandGeneral Electric
ClassPhototube
BaseSpecial / none
Construction
Primary TypeHigh vacuum
EnvelopeGlass
SectionsTwo-electrode
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Audio Performance
Key Features
- High-vacuum
- Two-electrode
- Extraordinarily high sensitivity to blue radiation
- Excellent stability
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Luminous sensitivity | 250 V | — | — | — | 0.045 mA |
Application Notes
Particularly suited for measurement and relay applications due to excellent stability and high sensitivity.
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