Re: Repairing Alesis M1 Active mk2 Monitor Speakers



Thank you for your reply. I continue width the project. Changed the caps with the nippon chemi-con, now will change some transistors and maybe PWM circuit as I have no means to test it reliably and every time I power up the speaker with at least on burned component it burns something else. I also discovered that my 5A fuse not only fuses but explodes ...

Re: Repairing Alesis M1 Active mk2 Monitor Speakers

Hi, guys. Great thread.
Just purchased a set of broken speakers here in France in a hope to repair them. I'm electronic engineer so it should be doable, but while reading this thread I started having serous doubts if this is a reliable solution. The initial design is quite poor and unreliable. I think batches of capacitors were faulty when Alesis first built them but the rootcause of all is a poor thermal management. That's why everything blows in a semi-random manner. Do you think that by recapping the speaker with decent...