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CV21 pentode

Size The valve measures 105x32mm overall and has a Mazda Octal base

The prototype of this valve is VP41.

Heater voltage 4V
Heater current 0.65A
Anode voltage 250V
Screen voltage 250V
Control grid voltage -2.7V
Anode current 7.7mA
Screen current 2mA
Mutual conductance 2mA/V
bottom quarter top quarter

This file was last modified 16:14:09, Thursday February 24, 2022