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THE GREAT MULLARD MAGIC BLOG — curtain coating

HOW WE GET FROM RECORDING TO RECORD - STAGE 1: THE BLANK ACETATE

Posted by STEVE MYCIUNKA on

HOW WE GET FROM RECORDING TO RECORD - STAGE 1: THE BLANK ACETATE

OK, so you have your master tape - check, so, how do we get from this to a vinyl record then?  Let's for the moment ignore the Direct Metal Master (DMM) process and stick with the more traditional blank acetate process which starts with a circular aluminium blank of 2mm thick aluminium in a diameter choice of either 16. 12.5, 10.5 & 7.5 inches.  This is taken and one side of it is mechanically polished until a 1P non directional polished reflective finish has been achieved.   Following polishing, the disc is carefully degreased using a three stage process that uses an ethoxylate...

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