Tube-number record
6AD8
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6AD8 is a tube type in the TubeDatabase archive (class: Double Diode Semi-Remote-Cutoff RF & AF Pentode). Recorded specifications: construction Pentode, base Small-button Noval 9-pin, socket Noval (B9A), maximum plate voltage 250 V, and maximum plate dissipation 2 W. The archive does not yet hold a photographed example of this type.
ClassDouble Diode Semi-Remote-Cutoff RF & AF Pentode
BaseNoval (B9A)
Filament6.3 V @ 0.3 mA
Construction
Primary TypePentode
EnvelopeGlass
Base MaterialSmall-button Noval 9-pin
SectionsTriple
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF/IF Amplifier | 250 V | 4300 | 1000000 | 8.8 | 6.2 mA |
Application Notes
Commonly used in radio receivers for detection, AGC, and IF/AF amplification.
Datasheets
Datasheet: 6AD8.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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