R85A
0 Tubes in archive
BrandVisitron
ClassPhototube
Construction
Primary TypeGas-filled
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage90 V
Audio Performance
Key Features
- Non-directional
- 360° pickup
- Gas amplification
- Increased sensitivity
Application Notes
Ideal for multi-directional applications such as target games, burglar alarms, and fire alarms.
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