Tube-number record
430
0 archive entries
430 is a tube type in the TubeDatabase archive (class: Power Triode). Recorded specifications: brand Federal Telephone and Radio Corporation, construction Triode, maximum plate voltage 600 V, and maximum plate dissipation 25 W. The archive does not yet hold a photographed example of this type.
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
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A | 450 V | 3000 | 6666 | 20 | 45 mA |
| Class C | 600 V | — | — | — | 85 mA |
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