Victor 888 "y" cable issues

[RufflesRidge]

Originally Posted by theawesome1730

I do not however understand how a victor running 1% output can put out 12 volts.

Was that measured unloaded?

I agree that the cause of this is almost certainly the added load of a second Victor affecting the rise and fall times of the PWM signal enough to land just outside the 888s deadband. Try calibrating the Victors while they are attached to the Y cable and I expect the problem will go away.