Tube-number record
UX-213
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BrandRectron
ClassFull-wave rectifier
BaseSpecial / none
Construction
Primary TypeVacuum
Rectifier Typefull-wave
EnvelopeGlass
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage220 V
Cathode Current65 mA
Audio Performance
Key Features
- Full-wave rectifier tube
- Large standard UX base
- Supplies D.C. power from A.C. source
Application Notes
The filament voltage should be maintained between 4.5 and 5.5 volts. Higher voltage will shorten the life, and lower voltage will reduce the output and possibly cause overheating of the plate. A. C. input voltage should never exceed 220 volts per anode (440 volts across both).
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