PENTODE RF/IF-Tube Controlling (mu)
IF Amplifier ~ Octal IF Valve
These are used in Elevators and Escalators!
Operating conditions I :
Va= 250 V, Vg2= 100V, Vg1= -2.5 V, Ia= 6.5 mA,
Ig2= 1.7 mA, gm= 2.4 mA/V
Operating conditions II :
Va= 250 V, Vg2= 125V, Vg1= -2.5 V, Ia= 10.5 mA,
Ig2= 2.8 mA, gm= 3.4 mA/V
Made in France: Visseaux - Radio
Identical to 6M7