Tube-number record
305
0 archive entries
305 is a tube type in the TubeDatabase archive (class: Power Pentode). Recorded specifications: construction Pentode. The archive does not yet hold a photographed example of this type.
ClassPower Pentode
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Audio Performance
Key Features
- Battery Operated
- Dual Filament Voltage
Application Notes
The OCR indicates characteristic curves for plate voltage vs plate current at specific filament voltages (Ef = 1.4V and Ef = 2.8V).
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