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runs at too high a temperature shortening it's life eventually resulting in failure. I think part of the problem is that there is not enough airflow inside the PSU case and the -17V voltage reg.
#Behringer mx8000 meter bridge installation upgrade
I replaced with LM338T's, used computer quality heat transfer compound, and also decided to upgrade all the electrolytic capacitors to high working temperature versions.ĭespite this the same problem is beginning to raise it's ugly head again, and of course I have a whole load of important work I need to get done in the studio !
![behringer mx8000 meter bridge installation behringer mx8000 meter bridge installation](https://images.reverb.com/image/upload/s--Bu0iP7ut--/a_exif,c_limit,e_unsharp_mask:80,f_auto,fl_progressive,g_south,h_620,q_90,w_620/v1504537629/fp5mpi12q2sxsgdo4s0t.jpg)
Well, I did a major overhaul on my MX8000A PSU 5 years ago after it failed for the second time with the -17V problem (first time I just used LM350T's again not realising they were underated for the job). No need to excersize that warrenty, it has been a rock ever since. With that I received a detailed description of the failure mode and repair process which was also fully warrentied. At his insistance not mine the unit was picked up, repaired, and returned in less than a week at zero cost to me. I'll have to paraphrase as it has been awhile, but his comment to me was basicaly 'I have that unit myself and it is a well made unit. The failure occured a few months after warrenty expired, but the supervisor waved the warrenty restriction. My problem was hardware and first call in the problem was pushed up internaly to a supervisor. I had trouble with an Alesis HD24 and the tech support people were elbows over ******** to get it resolved. I will say this Behringer is in stark oposition to Alesis for one. It would be interesting to see if the componants have been changed in new units. I have no idea what current units are shipping with. Until then, I highly doubt you'll see anything. If this problem and like problems ever impact sales, then maybe there will be some compensation made. Yup MRB, and I'll bet Behringer knows of the situation. I've got enough di-boxes / tube amps to cover a few inputs at a time. I've got no percussion sessions schedlued and I going directly in and out of a Delta 1010 using Cubase control room for all of the switching, volume, etc. I'll do a little more poking around, and maybe I'll pop the top if for nothing else just to give it a thorough vacuume. I can live with the un-sealed pots, mediocure pre-amps, etc. The point that grates my butt is that the layout of the board is sooooooo great for recording with the 24 direct outs and 24 return channels. Behringer seems to be very tight lipped about the whole thing. I'm real leary about entrusting the unit to the service people I spoke to on the phone. I'm tempted to pop the top on the board itself, but I doubt I will find any smoking gun. The unit was not that hot either this last go-around. I'm going primarily on intuition at this point. I was taking about a half hour ear break when I heard the monitors 'pop' in the other room. The last time it went belly-up it was basicly in a quiesent state. Beyond that I have no idea how one would get any real technical data on the board. I went to school in electronics with Moses, and haven't really worked it for decades.