Hi everyone! I don’t often have amps for sale; I am too busy with customer refurbs, and my meticulous nature isn’t conducive to high production throughput. :^/
At first glance, they look just like the boards in the more common 1986 version, but they are not physically compatible. The mounting brackets are spaced wider, the RCA input jacks are different, and the bridge switch is a bit chunkier.