Sundown Amps

These relatively obscure amps were designed by Dennis Kager, former amp guru from Ampeg. I've owned several, and found them to be versatile and will constructed. Like any other moderately complex amp, it takes some time and patience to discover where the great tones are.  Here are a few resources that provide a great starting point:

Here's a schematic of the SD1012c:

The following shows some mods I made to my last SD1012:
I basically removed one stage from the 'Red' Channel, and configured it to emulate a Marshall Plexi, with the Gain switch toggling between the bright and dark Marshall channels.