VT-191
0 Tubes in archive
BrandGeneral Electric
ClassFilamentary air-cooled triode
BaseFour-lead base
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 | 450V | 2400 | - | 8 | 67mA |
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.
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