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Weirdest record defect?

A couple weeks ago I went to a small venue to see a little-known artist Mary Timony. I discovered her when her latest album "Untame the Tiger" was featured on Qobuz under "New Releases". I picked up a copy of the record at the merch table after the show (great show btw). So here is why I am posting-throughout both sides of the record at fairly uniform 90 second intervals there is a loud bass bump/thump. Loud enough to be concerning as to my woofers. The record is perfectly flat and there are no visible defects. There is no discernible static problem and static would not cause a low frequency thump.

The label is Merge records. Any ideas as to the cause? I have never encountered this before.

128x128fsonicsmith
baylinor's avatar
baylinor
1,197 posts
 

Untame the tiger, excellent album BTW. 

mijostyn's avatar
mijostyn
8,186 posts
 

It is rumble generated by the lathe. Many records have this problem. When you have a large subwoofer array this problem is extremely annoying. This is due to old poorly maintained lathes being used to cut lacquers. 

mijostyn's avatar
mijostyn
8,186 posts
 

@heretobuy That is a very common problem if you have a spindle that is exactly the right size and not undersized. I keep a spindle hole drill right by my table. Many spindles are undersized.

lewm
12,462 posts
 

I think you mean many spindle holes are undersized.

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tonykay
1,298 posts
 

I went to listen to my new "The Best of Roxy Music" (double LP) and found that one record had the same label on both sides. So much for quality control.

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