Tube-number record
RK-19
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BrandRAYTHEON
Classrectifier
Base4-pin
Filament7.5 V @ 2500 mA
Construction
Primary TypeDiode
Rectifier TypeFull-Wave
EnvelopeHigh Vacuum
Sections2
Filament / Heater
Heater NotesHeater type
Absolute Maximum Ratings
Plate Voltage1250 V
Cathode Current200 mA
Audio Performance
Key Features
- Low internal voltage drop
- No r-f noise
Application Notes
The cathode should always be allowed to reach operating temperature before the plate voltage is applied. For average conditions this delay should be at least 30 seconds. Plate leads should be flexible wire to prevent strain on top caps.
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