David, N4QB has a Pyramid PS-35 regulated (not switching) power supply for sale, picture attached. Specs are as follows (also visible in the attached picture):
Input: 115 V AC 60 Hz
Output: 12-15 VDC, 35 amp with surge protection
David reports that the supply works great, and the price is $50.00. If you or anyone you know is interested, please call David at 615-330-3072.