82
0 Tubes in archive
BrandRCA
ClassFull-wave Mercury-Vapor Rectifier
BaseMedium 4-Pin
Construction
Primary TypeHot-cathode
Rectifier TypeMercury-Vapor
EnvelopeS-14
Base MaterialMedium 4-Pin
SectionsFull-wave
Filament / Heater
MaterialCoated
Absolute Maximum Ratings
Plate Voltage500 V
Cathode Current125 mA
Audio Performance
Key Features
- Low internal resistance
- Constant tube voltage drop
- Mercury-vapor bluish-white glow
- Hot-cathode type
Application Notes
The 82 is designed to supply d-c power of uniform voltage to receivers with varying current requirements. It requires small radio-frequency chokes (1 mH or more) in series with each plate lead to eliminate impact excitation noise. For half-wave operation with plates in parallel, use a 100 Ohm resistor in series with each plate.
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