Help: Something wrong to my amp???

That's great that you found the problem, Worldcup. It's kind of funny to me that this was your problem. As a matter of coincidince, i just got some cables in today that i had purchased. As a matter of "routine inspection", i always measure cables for basic electrical characteristics and to make sure that they are okay before hooking them up. As it turns out, one of the two cables measured very poorly. After taking them apart, i found a very poor connection that resulted in a 500% increase in impedance !!! While i don't know if the person that owned these tried to repair the cables and screwed up or if that's how he got them, all i know is that the average person would have thought that there was something DRASTICALLY wrong with their sound and performance. Who knows, maybe that's why the guy that i bought them from sold them !?!?!?! Either way, it was easily corrected and like you, all is well now. Hopefully, our similar problems might help others diagnose nagging problems that they too have never been able to pinpoint. CHECK YOUR CABLES... : ) Sean
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Check your cables first! I also blamed my classe CA-200, three years ago, got a new CA-200, did not work, got CA-400 did work intermittently. Then I doubted my preamp. One day when it happened, I happened touch my balance cable by mistake, and what do you know, it turned out to be bad XLR connection on one of my straight wire cable. I fixed it and it is been no problem eversince. It took 3 years and two upgrades to get there. On retrospect, I guess it was good lesson learned and also , I got the bigger and powerful amp, as result.

Thanks for this thread -- I had the same problem after installing a new pair of balanced cables between my preamp and my power amp; the image was skewed to the left. A mono recording made the problem more obvious; swapping the two cables moved the problem over to the right. I will be contacting the manufacturer of the cables!

Hi Sean,
How can you check your cable, and what equipment do you use to check the cable? Please show me how.
Thank you very much
DT