Tube-number record

6FR7

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BrandSylvania

ClassDissimilar-section double triode

BaseNoval (B9A)

Filament6.3 V @ 925 mA

Construction

Primary TypeDual triode

EnvelopeT-9

SectionsDissimilar

Heater NotesParallel operation

Plate Voltage330 V

Plate Dissipation10 W

Grid 1 Voltage-250 V

Cathode Current50 mA

H-C Voltage200 V

Mode	Plate V	Gm (µmhos)	Rp (Ω)	µ	Plate mA
Section 1 - Oscillator	250 V	1600	40000	68	1.4 mA
Section 2 - Amplifier	150 V	7200	750	5.4	50 mA

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

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