Tube-number record
459
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ClassPower Pentode
Filament6.3 V @ 0.3 mA
Construction
Primary TypePentode
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Grid 2 Voltage250 V
Audio Performance
Power Output2.5 W
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Single Class A | 250 V | 2250 | 80000 | — | 30 mA |
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