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

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
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Tube-number record

430

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BrandFederal Telephone and Radio Corporation
ClassPower Triode

Construction

Primary TypeTriode
EnvelopeGlass

Filament / Heater

Absolute Maximum Ratings

Plate Voltage600 V
Plate Dissipation25 W
Cathode Current85 mA

Audio Performance

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A450 V300066662045 mA
Class C600 V———85 mA

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