Hey Perry, just came across this. Heard you built them. Any more info? Can't say I have an extra $800 kicking around for it, though.
https://www.facebook.com/marketplace/item/893797699560637/
https://www.facebook.com/marketplace/item/893797699560637/
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I built them a very long time ago. They need revisions. If they work, they will likely continue to work but they had no protection. I learned very quickly that the most important part of an amp's design was the protection circuit. They actually sold for about that price when new... then the chinese came onto the market. I think that one (I'm not sure which board is in it) was good for about 550 watts. Nowadays, you can get the same power for ~$150 at walmart in class D.