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What causes 1 speaker to distort unexpectedly?

I have Totem Winds and the left speaker, only, will crackle and distort short bass blasts with the bass speaker undulating wildly for a few seconds. The mid and tweeter seem to have a hiss sound on this speaker at the same time. This problem just started today and has gotten worse. Everything is running off space-tech tube equipment, but this has never happened before, and as I said it is only happening in one speaker column.
128x128jcbach
5 responses Add your response
buscis2's avatar
buscis2
468 posts
 
Jc, might it be possible that the problem is stemming from upstream? Possibly at the amplification level?
audiokinesis
2,740 posts
 
Swap your left & right speaker leads, and see if the problem stays in the same speaker or follows the speaker cables. If it follows the speaker cables, then it's upstream of the speakers. Next switch the left and right inputs on your amplifier, and see whether the problem stays where it is or switches channels. By following this approach, you can isolate which component the problem lies in. My first guess would be that you have a bad tube somewhere.

Duke
skeptical1
12 posts
 
sounds like a bad tube.Isolate as Duke suggests.
sean
6,231 posts
 
Duke hit it on the head. Sean
>
jcbach's avatar
jcbach OP
46 posts
 
Thank you for the excellent suggestions. If it is a bad tibe how do I identify the bad tube so that I can order the appropriate replacement?

Many thanks again.
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