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Loss of bass & full spectrum sound

Can anyone shed light on my audio system problem?
I have PSB Synchrony one,Musical Fidelity M6i + cd player & turntable along w/video
The sound is Full with deep bass then after an hour it reverts to a different unenjoyable presentation with no life..
This has been going on in my NYC apt for about a year
I have a great sound then it changes (white-washed).
I adjust speaker cables(AQ biwire comet)& occasionally it regains a full body sound however after about one hour it's gone.
All my components have been checked to function properly.
I suspect an electrical problem but voltage is steady 120
Any similar experiences?
fishing716
tls49's avatar
tls49
1,351 posts
 
Definitely try what Yogiboy suggests, should be easy since you have bare wire connections. All this does is eliminate the separate paths for High and Low inputs to the speaker. Will not cause any problem, but will possibly sound slightly different. If you still have the problem, itÂ’s not the speaker cable.

When you say the sound is intermittent, has it ever changed suddenly while listening, or does it seem to be a gradual change toward the end of the day? Also, can I assume that this change is with all sources?
fishing716 OP
316 posts
 
I've tried one positive & negative solution using binding posts that came with speakers.
It didn't work,sound was even less appealing
fishing716 OP
316 posts
 
Karma not withstanding!
Been told I've now entered the "twilight zone" & I need an exorcist.
Actually I've tried everything imaginable but the problem persists.
When I've lost the dynamic & good sound-
I notice the lower notes are still playing but the impact & "growl" has completely left
fishing716 OP
316 posts
 
I tried jumper cables instead of biwire but the problem persists.
Audioquest Comet biwire 6ft cables w/banana's are not defective
rhljazz
1,255 posts
 
Are you sure it's not you instead of the equipment? Has anyone else noticed the same thing listening to your system?

Can you borrow a different amp to try?
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