Tube-number record
8091
0 archive entries
8091 is a tube type in the TubeDatabase archive (class: Corona Discharge Voltage Regulator Tube). Recorded specifications: brand Victoreen Instrument Co., year 1961, construction Other / special, socket Noval (B9A), and maximum plate voltage 4400 V. The archive does not yet hold a photographed example of this type.
BrandVictoreen Instrument Co.
ClassCorona Discharge Voltage Regulator Tube
BaseNoval (B9A)
Construction
Primary TypeOther / special
EnvelopeGlass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage4400 V
Cathode Current0.6 mA
Audio Performance
Key Features
- Top cap anode
- Cold cathode
- Nine pin miniature base
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Minimum stable operation | 4000 V | — | — | — | 0.05 mA |
| Maximum operating point | 4050 V | — | — | — | 0.6 mA |
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