More information:
one channel not working, or??
if one channel not working, check the power fuse, check for B+ coming out of the "bias" supply.
if possible swap the electronics from one unit to the other, this will isolate the problem to the interface part or else show that it is the cells.
No sound at all, or crackly sound? Crackly sound is usually lack of "bias". Check to see that the bias wire (one) is going to the cells... they can break or fall off...
where in "NY"??
Contact me off forum...
_-_-bear
