Tube-number record

7A4

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BrandRCA

ClassMedium-Mu Triode

BaseLock-In 8 Pin

Filament6.3 V @ 0.3 mA

Construction

Primary TypeTriode

EnvelopeT-9

SectionsSingle

Heater NotesAC or DC

Plate Voltage300 V

Plate Dissipation2.5 W

H-C Voltage90 V

For other characteristics, refer to Type 6J5

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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