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C1111

Sensibly equivalent to:
715C CV598
See also:
C1133 Advert
    
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The C1111 is a pulse tetrode modulator amplifier. The bell shaped anode and funnel structure of the grid support point to high voltage and high peak currents as does the ceramic insulation.
Stig Comstedt has supplied the information that the C1111 & C1150 were used as pulse modulators for Radar magnetrons. He encountered them in the 1960's when serving in the merchant marine.
The wide glass tube envelope is 60 mm in diameter and, excluding the B4A base pins is 130 mm tall.
References: Observation & Stig Comstedt.

 

Updated October 02, 2016.
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