Tube-number record
BS204
0 Tubes in archive
BrandEnglish Electric Valve Company Limited
ClassTR Tube
BaseWaveguide
Construction
Primary TypeOther / special
EnvelopeWaveguide
Base MaterialTin or silver plated flange faces
SectionsSingle primer
Filament / Heater
Absolute Maximum Ratings
Cathode Current0.15 mA
Audio Performance
Key Features
- Broad-band
- Single primer
- S-Band
- Flange faces tin or silver plated
Application Notes
The primer supply voltage must be applied at least 5 seconds before the tube is required to operate. The primer current must be limited by a series resistance of 5.5 Mohms, of which at least 0.5 Mohms must be adjacent to the primer terminal.
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