Tube-number record
6G6G
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6G6G is a tube type in the TubeDatabase archive (class: Power Pentode). Recorded specifications: brand Sylvania, construction Pentode, socket Octal, maximum plate voltage 180 V, and maximum plate dissipation 2.75 W. The archive does not yet hold a photographed example of this type.
BrandSylvania
ClassPower Pentode
BaseOctal
Filament6.3 V @ 150 mA
Construction
Primary TypePentode
EnvelopeST-12
SectionsSingle
Filament / Heater
Heater Notes6.3 volts / 0.15 amperes
Absolute Maximum Ratings
Plate Voltage180 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode (135V) | 135 V | 2100 | 170000 | 360 | 11.5 mA |
| Pentode (180V) | 180 V | 2300 | 175000 | 400 | 15 mA |
| Triode (Grid 2 tied to plate) | 180 V | 2000 | 4750 | 9.5 | — |
Application Notes
Recommended for power output stages where high efficiency is desired but high output power is not required. Not recommended for automotive service. Transformer or impedance coupling is recommended. Grid circuit resistance limit is 0.5 megohms for 135V or for 180V (auto-bias). Fixed bias at 180V requires grid resistance limit of 0.005 megohms.
Datasheets
Datasheet: 6G6G.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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