Von: "Ron Roscoe" <[log in to unmask]> > A version of the frequency response plot I tried to send out can be found on > page 476 of Read and Welch 2nd Edition. All good mailing lists strip out attachments and HTML. That's what web pages are for. :-) There is some interesting research here: http://www.victor-victrola.com/Technical%20Articles.htm