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Linn LP12 I channel louder?

After swapping about between my Jolida JD9a phono amp and the MC part of my Yamaha as-100 have isolated the source of one channel weakness to my LP12.Its a 1980’s vintage with a 2/3 year old Dynavector DV-20X2L.My question is where do I start to track down the left channel bias? Its slight but a twiddle of balance control makes a huge difference.Its not amps or speakers as CD, Radio, PC all good and balanced.
128x128surferandy
noromance's avatar
noromance
9,821 posts
 
Tonearm bias (anti-skate)?
surferandy's avatar
surferandy OP
52 posts
 
Anti skate has no effect, still left bias. As I said its slight, so when adjusting skate I almost felt it fixed but two or three minutes in and its still there. Thanks for the idea.
stringreen's avatar
stringreen
6,468 posts
 
Remove and replace turntable outputs  in reversed position ....left into right, right into left.  If the louder channel changes,the problem is probably  the turntable/cartridge,  if not, I would  move the furniture around to change the room acoustics
noromance's avatar
noromance
9,821 posts
 
It the table absolutely level?
Swap the cartridge leads. If that changes it, then there’s an issue with alignment or the cartridge itself. Check azimuth. Sometimes, it just might just be the way it is with that specific cartridge and not much you can do about it...
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