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Speaker Control Knob help

261 Views 2 Replies 2 Participants Last post by  jred1000
Hi,
I have a yamaha 2080 in which my zone 2 goes to a Audioplex MS-8 speaker selector box, in which I have 8 sets of speakers throughout the house and outside. I have a few zones that sound bad so I replaced to speakers with no difference. My question would be, is it possible the in room volume control knobs are worn out?

If I want to replace how do I know which ones to get? Ive seen 100w and 300w. Also, I know some have impedance type jumpers. Before I spend money on a tech I figured I would ask this good.

Thanks
1 - 3 of 3 Posts
@jred1000 That ms-8 looks nice on paper but that is a lot of bare wire back there, have you confirmed you do not have wires crossed or touching?
1. which zones sound bad? Closest to the ms-8 or furthest away?
2. Do they sound bad when other zones are played simultaneously?
3. Try swapping wires of the bad zone at the back of the ms-8, say move speaker D wires to speaker G output and see if speaker D still sounds bad?


I believe my outdoor speaker volume controls are old school, hard wired 100 watts. Like every other electronic device that has moving contacts, I believe they can wear out.
@jred1000 That ms-8 looks nice on paper but that is a lot of bare wire back there, have you confirmed you do not have wires crossed or touching?
1. which zones sound bad? Closest to the ms-8 or furthest away?
2. Do they sound bad when other zones are played simultaneously?
3. Try swapping wires of the bad zone at the back of the ms-8, say move speaker D wires to speaker G output and see if speaker D still sounds bad?


I believe my outdoor speaker volume controls are old school, hard wired 100 watts. Like every other electronic device that has moving contacts, I believe they can wear out.

the back looks pretty clean and professionally installed. No arc that I can see.

I can try to switch a zone.
One of the zones that sounds bad is very close an the other is somewhere in the middle.

the ms-8 is by no means powered but perhaps something in that has gone bad as well.
I’ll do some more tweaking and testing
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