Tube-number record
509
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BrandMazda
ClassPower Pentode
Filament6.3 V @ 1.2 mA
Construction
Primary TypePentode
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation11 W
Grid 2 Voltage250 V
Audio Performance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A | 250 V | 9000 | 25000 | — | 45 mA |
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