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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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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

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Single Class A250 V225080000—30 mA

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