Tube-number record
VT-191
0 archive entries
BrandGeneral Electric
ClassFilamentary air-cooled triode
BaseFlexible / flying leads
Construction
Primary TypeTriode
EnvelopeGlass
Sectionssingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage450 V
Plate Dissipation20 W
Cathode Current80 mA
Audio Performance
Key Features
- Air-cooled
- Thoriated tungsten filament
- Ultrahigh-frequency oscillator
- Power amplifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Average Characteristic | 450 V | 2400 | — | 8 | 67 mA |
Application Notes
The VT-191 is designed for ultrahigh-frequency applications. The tube develops a typical power output of 5 watts at 500 Mc. Handle with care due to fragile thoriated tungsten filament; avoid mechanical shock.
0 results