Tube-number record
1B8GT
0 archive entries
1B8GT is a tube type in the TubeDatabase archive (class: Triple-purpose diode-triode and beam pentode). Recorded specifications: brand Hytron, construction Multi-section, base Wafer base with metal sleeve, socket Octal, and maximum plate voltage 90 V. The archive does not yet hold a photographed example of this type.
BrandHytron
ClassTriple-purpose diode-triode and beam pentode
BaseOctal
Construction
Primary TypeMulti-section
EnvelopeT9-C
Base MaterialWafer base with metal sleeve
SectionsTriple-Purpose
Filament / Heater
MaterialFilament type
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Section Class A (90V) | 90 V | 1150 | — | — | 6.5 mA |
| Pentode Section Class A (67.5V) | 67.5 V | 900 | — | — | 4.2 mA |
| Pentode Section Class A (62.5V) | 62.5 V | 850 | — | — |
Application Notes
Primary purpose is for conservation of space in portable compact receivers. Electrically consists of a 1H5GT and a 1T5GT mounted side by side.
Datasheets
Datasheet: 1B8GT.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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