My favourite one is Lirpa 5KG, especially the oscilloscope screen photos. There was also a turntable that played both sides of the record at once, but I digress.
umashankar Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 From: Eero Aro<mailto:eero....@dlc.fi> Sent: Friday, January 6, 2017 7:06 PM To: sursound@music.vt.edu<mailto:sursound@music.vt.edu> Subject: Re: [Sursound] Professor I Lirpa Quad Matrix Oh, zero group-delay wickers are rare as hen's teeth these days... But I am certain that professor Lirpa's VDRS, Vehicular Disc Reproduction System, that solved almost all vinyl disc player problems, would have improved matrixed surround sound on vinyl discs as well, if it would not have been forgotten when digital audio started to take over: http://www.americanradiohistory.com/Archive-Audio/70s/Audio-1978-04.pdf Page 71 -> Eero 6.1.2017, 14:22, Dave Malham wrote: > :-) :-) :-) >> Looks good. I'm off to the forest now to find some phase coherent twigs >> and zero group-delay wicker.Wish me luck ;-) :-) >> Andrew _______________________________________________ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, edit account or options, view archives and so on. -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://mail.music.vt.edu/mailman/private/sursound/attachments/20170106/ae65bb59/attachment.html> _______________________________________________ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, edit account or options, view archives and so on.