I am going to lock this topic now as it is getting too long.
Chuck has started a new topic on this subject that is really a great topic for this forum. Thanks to all that have contributed. Let us keep it going for the benefit of all that will learn a great deal from your posts.
Best to all

Moderator SynthZone TECHNICS FORUM
Bill Forrest in SAN JOSE, CALIF. USA
bforrest@ix.netcom.com ICQ # 562519
Homepage http://www.anycities.com/bebop/