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Ultra Linear UL600HC
High Current Audio Amplifier


This one came in with very badly smoked power supply MOSFET's.
So bad that it literally melted the alluminum blocks that hold down the MOSFET's

Click image to see larger images

Burn baby burn!

A distant shot, this is a huge amplifier.

Another shot of those burned up MOSFET's.

Good thing it didn't take out any of the Audio transistors,
there are 24 of them.

All fixed up. Replaced the bad mosfets, repaired burned circuit board...

Created a new transistor clamp-bar from some alluminum bar stock.

Ready to go bang the hell out of someones subwoofers...



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