Tube-number record
445
0 archive entries
445 is a tube type in the TubeDatabase archive (class: Power Pentode). Recorded specifications: brand Rogers, construction Pentode, socket 6-pin, maximum plate voltage 250 V, and maximum plate dissipation 8 W. The archive does not yet hold a photographed example of this type.
BrandRogers
ClassPower Pentode
Base6-pin
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation8 W
Grid 2 Voltage250 V
Audio Performance
Typical THD7%
Power Output3 W
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Pentode | 250 V | 2350 | 100000 | 235 | 32 mA |
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