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Help with Martin Logan Quests.

I have an original pair of ML Quests that have served me well for several years. I seem to be having problems with the panels sounding weak or losing volume. They still play but at a much reduced volume compared to the subs. I have substituted other components and think the problem is with the speakers.

Has anyone experienced problems with the electronics or panels that might fit this description?

If these need to be serviced, does anyone know who can do the work and maybe do parts upgrades in the process?

Thanks for your help.
gofaststang
jayctoy's avatar
jayctoy
4,040 posts
 
Iam glad you posted this my problem on quest is on speaker
it will play and then suddenly the sound would go down from
top to bottom and will hear only a little sound but its
tricky because my plinius one channel also went down
this is the side that is connected to the speaker that
got the problem,other side is ok. my guest maybe its the
panel although i doubt it, i think maybe some parts inside.
good luck,
gofaststang OP
32 posts
 
I would like to thank everyone for their comments.

It has been a week since the problem occured, and the speakers are working fine. I think it was a humidity problem as described in an earlier post. I still think I need to begin considering new panels, but can probably squeeze a little more life out of these.

Best regards.
whitekoi
2 posts
 
I own a pair of original ml quest also. About a year ago one of the speaker started malfunctioning (no sound). Haven't done anything to them (too busy). But I did speak with the ML rep and he indicated it may be the power supply. He suggested swapping the boards with the good speaker to narrow down the problem. Also, like everyone saids that the panel needs to be rebuilt. good luck
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