Tube-number record
PENTODE POWER AMPLIFIER
0 archive entries
PENTODE POWER AMPLIFIER is a tube type in the TubeDatabase archive (class: Audio Power Pentode). Recorded specifications: brand TUNG-SOL, year 1945, construction Pentode, socket Loctal, and maximum plate voltage 110 V. The archive does not yet hold a photographed example of this type.
BrandTUNG-SOL
ClassAudio Power Pentode
BaseLoctal
Construction
Primary TypePentode
EnvelopeGLASS
Filament / Heater
MaterialCOATED FILAMENT
Absolute Maximum Ratings
Plate Voltage110 V
Grid 2 Voltage110 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| CLASS A1 AMPLIFIER | 85 V | 800 | 300000 | — | 3.5 mA |
| CLASS A1 AMPLIFIER | 90 V | 850 | 300000 | — | 4 mA |
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