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Embedded rumble... on LP's that is...

Yesterday evening I pulled out Austrid Gilberto's "Beach Samba" on Verve (original pressing) to just sit back and relax. With cans on my ears I lowered the arm onto the vinyl to start my session.
As you might know I have developed the turntable that I use myself. After track one I noticed a very distinct high-pitch reverb noise - quiet passage between the first and second track. I immediatly investigated and was worried that it is my machines main bearing inducing this foreign noise.

It turned out to be on the above mentioned record.

Now you tell me - Could the record cutting lathe have induced this noise on the master disk? Other records do not have that particular sound/noise - I checked.

If the mastering equipment is bad then I guess the end-product will also be bad hey?

Just a thought...
Dewald Visser
dewald_visser

Showing 2 responses by inpepinnovations1e75

inpepinnovations1e75
395 posts
 
Nsgarch, that is correct, since rumble is at a higher frequency than infrasonic.

Newbee, if you are happy using a second choice as your standard, then go ahead. Sort of like the difference between 'less' and 'fewer', one is correct in the proper context, but the other is commonly (incorrectly) used as a synonym.
:-)
With respect, Bob P.
inpepinnovations1e75
395 posts
 
Newbee, speaking of roses, the proper term for 'subsonic' is infra sonic. Subsonic has to do with speed not frequency. And, a rumble filter will act as an infrasonic filter.

Salut, Bob P.
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