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From biwire to single run: Now I hear a loud hiss.

If you guys and gals could help with this I would certainly appreciate it because it's driving me nuts.
My system has always had the speakers wired in a biwire configuration until recently.
After selling my biwire cable I went, for the first time, to a single run config using my old trusty Kimber 4TC that has been sitting in storage for years.
Jumpers are the Kimber 4TC cable.
All connections are bare wire.
As mentioned above, I've been hearing a loud hiss when I power up ever since making this change.
I checked and rechecked everything-cables aren't contacting other cables and power cords, connections are right etc.
Could it be the cables?
Could it be my tubed preamp?
I've already switched tubes and the hiss is still there.
Please advise!
Thanks!
greh

Showing 1 response by slaw3

slaw3
139 posts
 
Here's a good test - get some cheap radio shack speaker wire, and connect two runs from your amp to your speakers (sort of a fake bi-wire). Still have the hiss? There's a problem elsewhere, probably tube related. Hiss goes away? Problem with your Kimbers. But I agree - I cannot think of a reason the cables would ever cause hiss. Good luck!
James
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