Tube-number record
PENTAGRID CONVERTER
0 archive entries
PENTAGRID CONVERTER is a tube type in the TubeDatabase archive (class: RECEIVING TUBE). Recorded specifications: brand TUNG-SOL, year 1946, construction Other / special, base MICANOL, socket Octal, maximum plate voltage 300 V, and maximum plate dissipation 2 W. The archive does not yet hold a photographed example of this type.
BrandTUNG-SOL
ClassRECEIVING TUBE
BaseOctal
Filament6.3 V @ 300 mA
Construction
Primary TypeOther / special
EnvelopeMT-8G
Base MaterialMICANOL
Filament / Heater
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation2 W
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| SEPARATE EXCITATION | 100 V | 900 | 500000 | — | 3.6 mA |
| SEPARATE EXCITATION | 250 V | 950 | 1000000 | — | 3.8 mA |
| OSCILLATOR IN FM BAND | 250 V | — | — | — | 6.8 mA |
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