Tube-number record
6FR7
0 archive entries
6FR7 is a tube type in the TubeDatabase archive (class: Dissimilar-section double triode). Recorded specifications: brand Sylvania, construction Dual triode, socket Noval (B9A), maximum plate voltage 330 V, and maximum plate dissipation 10 W. The archive does not yet hold a photographed example of this type.
BrandSylvania
ClassDissimilar-section double triode
BaseNoval (B9A)
Filament6.3 V @ 925 mA
Construction
Primary TypeDual triode
EnvelopeT-9
SectionsDissimilar
Filament / Heater
Heater NotesParallel operation
Absolute Maximum Ratings
Plate Voltage330 V
Typical Operation
| 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 |
Datasheets
Datasheet: 6FR7.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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