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Side to side cartridge vibration with loud pops.

Side to side cartridge vibration with loud pops.
Yesterday I tried a very good copy of Doiche Gramophone (made in Italy) record. Record looks mint.
My TT (regaP3 with Grado Sonata) played every record fine up until I put this record on.
It sounds great (Accardo playing Paganini concerto),but where is vibration coming from?

Could it be record itself?

Cause it is neither the cart nor the arm. I have other records playing fine.

What on that record makes my cart go crazy: tremble side to side and then make loud pops ?
128x128dkzzzz
4 responses Add your response
dkzzzz's avatar
dkzzzz OP
124 posts
 
No Sir!
I tried to search for discussions about 'Grado jiggle" but found none related to my problem.
The cart I am using is farely old and it might be part of the problem.
In any case, in the interests of audio research I bought brand new Sonata and when i receive it (next week) i try to play the same passages with new cart.
Please stand by for the Grado jiggle conclusion. :)
headsnappin's avatar
headsnappin
295 posts
 
You have just experienced the proverbial grado jiggle
dkzzzz's avatar
dkzzzz OP
124 posts
 
You might me right about resonance and aging of the cart. The only strange thing is: it is happening only on that box of LPs and not on any others.
It does not happen with Denon DL-160, which is brand new...
Although I cannot keep listening to Denon it has a sound that I dislike.
Have you moved from Sonata to more expensive things?
If NOT what would you suggest I try that sounds natural and lush and doesn't cost $1000?
stringreen's avatar
stringreen
6,468 posts
 
..sounds like the cartridge/arm are resonating in the wrong place. ...maybe because of a warp, the aging of the cartridge, loosening of the attachment screws, or a million different things. I had a Grado Sonata in a Rega arm, and moved on.
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