- QuadraphonicQuad
- www.quadraphonicquad.com
- Information about multichannel sound, including quadraphonic, DVD-A, and SACD. Features a forum, and label histories with discographies.
3.6
(si*)
>20
-
3
- Tab Patterson's Quadraphonic Sound Site
- www.4channelsound.com
- Information about quad formats, featuring information about transferring quad records to CD-R.
3.2
(si*)
<10
-
2
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