Zilv

The heatsink originally had no holes. I drilled and tapped the holes myself so they match the amp mounting holes, then bolted it on...

There are a lot of M3 screws on the back side of the amplifier. I removed two of them and used those mounting points to attach my own...

I also had significant overheating issues with the FA253, even while listening at fairly low volume levels. Room temperature was around...