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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
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?
yogiboy's avatar
yogiboy
5,700 posts
 
How do you know that the cable is not defective?How do you know the binding posts on your amp are not defective? I would try some inexpensive speaker wire like zip cord in place of the Audioquest and see how that works. You will solve this problem it just takes one step at a time.
tls49's avatar
tls49
1,351 posts
 
I started with spades switched to banana's now am going direct wire
and then the comment,
Audioquest Comet biwire 6ft cables w/banana's are not defective
When you said "direct wire", was that just basic speaker wire, and not the Audioquest?

And I'll ask again,

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?

I'm sure the issue can be solved. It's just a matter of taking steps to narrow down to the cause.
fishing716 OP
316 posts
 
My Girlfriend hears the same thing as I
My amp is brand new and already had 3 amps here with the same results
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