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Mx135 subwoofer not working???

Hello. Ive tried everything to get the sub working in the pure stereo mode. I am using analog inputs. Speaker size set to small, subwoofer: yes. The sub works fine in ANY other dsp mode...cinema, music123 etc. so i know the sub out is working. Also updated to latest firmware. Any thoughts? Thx!
dtomaso1
yakbob
469 posts
 
I'm convinced Jafant is an auto spambot that searches for the word subwoofer, and adds irrelevant non sequiturs to REL products.

Be sure to keep it posted.
dtomaso1 OP
1 posts
 
Still having no luck. But have noticed that sub out does work for 10-15 minutes, the gradually fades to no output. Again, this is only in pure mode. I have ruled out the subwoofer itself. Sub out works great in any DSP mode, just not analog stereo. Perhaps it is a heat or capacitance problem?

Tom
yakbob
469 posts
 
That's a bummer Tom. It sounds like you might need to enlist the help of a service tech for this fix. Audio Classics in Vestal, NY could help you out. Give Ryan a call. These guys are extremely knowledgable and do great work. Best of luck!
theo's avatar
theo
2,689 posts
 
Tom, it does sound heat related. I would call McIntosh, they are very good at helping you diagnose and also in the past they done repairs for me, and although out of warranty, it was still free. I just paid the shipping to them and they sent it back at no charge. Not saying it is policy, but worth a try.
They never indicated it would be free before I sent it, it just worked out that way. They are a great company to work with.
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