GS wrote:


** All you need is one of these:

http://product-images.highwire.com/5569873/7432-6.jpg

plus a couple of 1.5V cells.

Gives you a dual tracking supply of 0 to +60V and -60V with single knob
control and heaps of current available.

Hint: you switch the amp to "bridge" first.



Got to remember that..


** You could use the same idea with most dual channel power amps, long as you restore full gain at DC by removing input and feedback loop electros.




.... Phil