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Toe in with the D3 series vs. Previous Series?
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07-12-2016, 10:17 AM
Kal Rubinson
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Join Date: Aug 2010
Posts: 2,588
Quote:
Originally Posted by
Cohibaman
Interesting article....
http://libinst.com/PublicArticles/Se...20Speakers.pdf
It goes back farther to Blumlein in 1931:
Kal Rubinson
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