06-29-2011 Post does not mapped to Knowledge Tree Kunashirsky Russia-Japan-China Posts 12 Joined on 06-30-2011 Post #: 1 Post ID: 16573 Reply to: 16573 RIAA pole two = 501,12 Hz fiogf49gjkf0d I am the example of the vinyl tube RIAA correctors explain torsion phenomena in the audio. But apparently the standard way of thinking of engineers do not allow them to understand the obvious ! Then Thurs ochastota second pole has an optimum at 501.12 Hz = (7.83Hz * 64) ... for example. It is better to be first accordion on Kunashir, than seventh violin Moscow Philharmonic