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Why the woofer moves badly when playing certain LPs

Hello. First greeting.
My turntable is Pro-Ject The classic, Phono is Lejonklou Gaio2.4 and Cartridge is AT150sa.

However, I am having problems with my woofer moving badly when playing certain LPs.
Generally, this is not the case with the older, dusty LPs of the 80's, but rather with the record just new released LPs.

I want to get help from someone who knows why this is happening.
Sorry for my broken English.
Thank you very much.

starbusters
mijostyn's avatar
mijostyn
8,175 posts
 
Other than both Starbusters and myself being head cases. Geoffkait, keep your mouth shut.
mijostyn's avatar
mijostyn
8,175 posts
 
Ralph the 18Hz is as measured. I use room control.
atmasphere's avatar
atmasphere
11,575 posts
 
^^ My speakers are about 3dB down at 18Hz. We're on the same page with that one....
millercarbon's avatar
millercarbon
12,531 posts
 
Mike I'm sure is right about the lathe and stuff. Yet more evidence to throw on the pile of reasons why with records you're better off buying old than new.

Mine, for the record (heh) move hardly at all. But they do indeed move "a certain amount".
mijostyn's avatar
mijostyn
8,175 posts
 
Absolutely mc. Mostly with small warps and surface irregularities. Not all new records are bad. Some are terrific and there are several companies that consistently put out great product. I can't remember having trouble with built in rumble in the past but I certainly had a lot of trouble with noisy pressings particularly with popular music. Classical pressings were always much better. Rock was hit or miss. I have some old DECCA records that are astonishing. 
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