Tube-number record
1950
0 archive entries
BrandRCA
ClassIonization Vacuum-Gauge Tube
BaseFlexible / flying leads
Construction
Primary TypeOther / special
EnvelopeST-19
Base MaterialSoft Glass
SectionsDual Tungsten Filament
Filament / Heater
MaterialTungsten
Absolute Maximum Ratings
Audio Performance
Key Features
- Soft-glass bulb
- Contains two filaments (one spare)
- Corning Code 012 Lead glass tubulation
Application Notes
The filament voltage should be kept as low as possible during degassing because use of a low filament voltage materially increases filament life.
0 results