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Why does unplugging/replugging TT leads from tube phono pre-amp reset dead channel?

I have a BAT VK P-10SE with Superpak.  Tubed phono preamp.  When one of the channels drops out (it actually is out when the system powers up), I used to go nuts trying to figure out which tube needed replacing.  I have learned, after much frustration, that simply unplugging the lead from the Turntable - and plugging it back in - solves the problem.  Sometimes it's the left channel.  Sometimes the right.  And if I leave the system on with no music playing for a while, on occasion a channel will drop out.  I have asked at several stereo shops...no one know why this works.  Or what the real underlying cause of the problem is.  When it works...it sounds great.  No indication of a tube issue.  And the cartridge - Shelter 901 - sounds great, too.  Any advice is welcome.  Thanks.

Joe
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Showing 1 response by uberwaltz

uberwaltz's avatar
uberwaltz
13,381 posts
 
To the OP
You said in one post that BAT cannot replicate the issue.
Did you mean they cannot get the problem to occur on a similar unit or that they have had your actual unit in for test and could not get this peculiar problem to manifest?


Do you access to another TT to test by any chance as I appreciate the fixed leads syndrome!
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