VACUUM PHOTOTUBE
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BrandRCA
ClassSide-on Phototube
BaseOctal
Construction
Primary TypeOther / special
EnvelopeT9
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Cathode Current0.005 mA
Audio Performance
Key Features
- S-4 Response
- Side-on type
- Semicylindrical cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Sensitivity Test | 250V | - | - | - | - |
Application Notes
Operating position: Any. Dimensional outline applies from type 5581. Average anode characteristics curve applies from type 929.
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