<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=iso-8859-1"> <META content="MSHTML 5.50.4611.1300" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>Hi  Tony,</FONT></DIV> <DIV><FONT face=Arial size=2>You might try moving the piano out from = the wall, then taking a long steel rod like a screwdriver bit for the combo handle press the end of the rod against the rib close to where the = note crosses the bridge and at other points on the sound board bridge area. </FONT></DIV> <DIV><FONT face=Arial size=2>If the sound quality improves, place = jiffy leads that have screw holes </FONT><FONT face=Arial size=2>at the point = where the sound improves the most.</FONT></DIV> <DIV>Joe Goss<BR><A href="mailto:imatunr@srvinet.com">imatunr@srvinet.com</A><BR><A href="http://www.mothergoosetools.com">www.mothergoosetools.com</A></DI= V> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B> <A title=caute@optusnet.com.au = href="mailto:caute@optusnet.com.au">Tony Caught</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">pianotech@ptg.org</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, April 15, 2001 = 2:27 AM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Ronisch Bass</DIV> <DIV><BR></DIV> <DIV>List</DIV> <DIV> </DIV> <DIV>A music teacher in Darwin has just bought a new Ronisch piano. = Approx. 125CM high, made in Leipzig, Germany by ???. Not Ronisch. Has a Renner = action, lovely cabinet but the bass.</DIV> <DIV> </DIV> <DIV>I can't say lousy choice of piano, she paid cash to a major store = in Sydney, played the piano several times before deciding, all the right = things but.</DIV> <DIV> </DIV> <DIV>I tuned the piano yesterday (raised pitch from 20 cents to = 65 cents flat) and she played it after and said 'C1 doesn't sound right' = Checked it by ear and all is OK, asked her what she thought was wrong to which she = replied that it 'sounded more like a G note' asked her how her pitch = recognition was to which she replied 'pitch perfect' switched on computer and = clicked onto the new TuneLab Pro, played C1 and checked the partials. Partial 3 = = 100 partial 4 = 45..</DIV> <DIV> </DIV> <DIV>Showed this to customer and explained that the fundamental is = very low (absent) in the lower bass but the harmonics are very rich, what she = is hearing is the 3rd harmonic of C which is G.</DIV> <DIV> </DIV> <DIV>Tuned the note up, she tested, tuned the note down, she tested, = put it back where it was, she tested and said now its OK.</DIV> <DIV> </DIV> <DIV>I didn't like the scaling of the bass, the treble was OK but the = bass ?</DIV> <DIV> </DIV> <DIV>Question.</DIV> <DIV> </DIV> <DIV>Why is this C1 note so heavy on the 3rd partial and so low on the = 2nd and 4th. And, how can you increase the 2nd and 4th to make it sound like a = "C" note. ?</DIV> <DIV> </DIV> <DIV>Tony Caught ICPTG<BR>Australia<BR><A = href="mailto:caute@optusnet.com.au">caute@optusnet.com.au</A></DIV></BL= OCKQUOTE></BODY></HTML>