Tube-number record
U50
0 archive entries
U50 is a tube type in the TubeDatabase archive (class: Rectifier). Recorded specifications: brand Marconi, year 1956, construction Directly heated, socket Octal, and maximum plate voltage 350 V. The archive does not yet hold a photographed example of this type.
BrandMarconi
ClassRectifier
BaseOctal
Construction
Primary TypeDirectly heated
Rectifier TypeBi-phase half-wave
EnvelopeDome top
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage350 V
Cathode Current120 mA
Audio Performance
Key Features
- Directly heated
- Bi-phase half wave capacitor input
Application Notes
Mounting in any position.
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