R78A
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BrandVisitron
ClassGas Phototube
BaseLarge 4-Prong Base
Construction
Primary TypePhototube
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage90 V
Audio Performance
Key Features
- Extra large cathode
- Sturdy construction
- Constant quality performance
Application Notes
Commonly used in standard theatre projection equipment.
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