Monthly Archives: December 2017

Mackie SRM150 repair

I received two Mackie SRM150 amplifiers that had the same problem: both powered on but did not reproduce any sound apart from some louder than normal hiss and a very noticeable pop when turning up the volume. The problem on both units turned out to be a defective linear regulator component on the preamp/mixer board. Read further if you want to learn more about the repair… Continue reading Mackie SRM150 repair