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In Reply to: RE: Another Internet Myth posted by PAR on October 18, 2016 at 16:21:54
I have records that were stacked and played on a changer (Dual 2019) back when it was a current product circa 1970. Those records still sound just fine with no damage whatsoever. There is a lot of angst about this subject that would be better spent worrying about something important.
Follow Ups:
I didn't mention anything about damage. However if you think that VTA or tracking force are not important, well you would be in a distinct minority on a page devoted to vinyl replay as part of an audiophile discusion forum.
In fact I am not very concerned about damage with record changers because most vinyl records of the era were manufactured with a raised outer lip and raised label area so that when two discs are stacked the playing surfaces do not touch each other.
VTA was not on anyone's radar screen in the 1970s, I doubt the term had even been invented until later. The change in tracking force is really not great as records stack up and usually could be compensated for by setting up for the maximum recommended force, which is still a good idea. The raised lip and label area only work if all the records are perfectly flat, otherwise the grooves can touch. In spite of all of these shortcomings, changers were popular and at least the better ones, even if less than optimal, caused no permanent harm. And some are still held in high regard. There is no reason to discourage people who want to stack their records on a changer. You don't do it, I don't do it, that is OK too. To each his or her own.
" VTA was not on anyone's radar screen in the 1970s, I doubt the term had even been invented until later"
Interesting point. Although I am not certain when the exact term became common, the concept behind it, or an approximation, was appreciated well before the 1970s. Examples of arms having provision to adjust VTA include the SME (designed 1958/9) and, I believe, early Ortofon arms. In fact I can remember adjusting arm height to ensure that the cartridge was correctly aligned in accordance with the instruction manual for my SME 3009 in 1969 or 70. Of course I was no early adopter so that instruction must have been in the manual for a period before.
Thorens designed the complex TDW224 record changer with a major intention of maintaining VTA (whether or not the precise phrase was in use). This turntable was introduced in 1962 so it is likely that the principle would have been known before then.
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