Tube-number record
6ET7
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6ET7 is a tube type in the TubeDatabase archive (class: Duo-diode sharp-cutoff pentode). Recorded specifications: brand SYLVANIA, construction Multi-section, socket Noval (B9A), maximum plate voltage 330 V, and maximum plate dissipation 5 W. The archive does not yet hold a photographed example of this type.
BrandSYLVANIA
ClassDuo-diode sharp-cutoff pentode
BaseNoval (B9A)
Filament6.3 V @ 750 mA
Construction
Primary TypeMulti-section
EnvelopeT-6 1/2
SectionsPentode and Two Diode Sections
Filament / Heater
Heater Notes11 seconds warm-up time
Absolute Maximum Ratings
Plate Voltage330 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Class A1 Amplifier | 200 V | 11500 | 60000 | — | 25 mA |
Application Notes
The pentode unit is intended for use as a video amplifier, while the diodes are essentially intended for use as a horizontal phase detector in television receivers.
Datasheets
Datasheet: 6ET7.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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