Virtual Valve Museum

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CV1588 CRT

VCR139A size The CRT measures 200x70mm overall


Heater voltage 4V
Heater current 1.1A
Max final anode voltage 1kV
X-plate sensitivity 170/Va3 mm/V
Y-plate sensitivity 170/Va3 mm/V
Typical operating conditions
Final anode voltage 800V
Second anode voltage 135V
Beam current 3µA


Pin Function
1 Cathode
2 Grid
3 Heater
4 Heater
5 A2
6 no pin
7 Y2
8 X2
9 A3
10 X1
11 Y1
12 no pin

The CV1588 as VCR139A was used in Rebecca Mk. I, II and III. It was much smaller than the VCR97 and so more suitable due to weight and size restrictions.