<font color='black' size='3' face='Times New Roman, Times, serif'><br> <br> <br> <div style="font-family:helvetica,arial;font-size:10pt;color:black"> <div id="AOLMsgPart_1_42838dc2-b675-42bc-8a68-107e570a5b3f"> <div style="font-family:times new roman,new york,times,serif;font-size:12pt"> <div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"> <div style="font-family: times new roman,new york,times,serif; font-size: 12pt;">Diane writes: <br>   >>The noise figures you posted are interesting, but do not tell the whole story.  It is important to know the facts to adequately protect yourselves.<br>    </div> <div style="font-family: times new roman,new york,times,serif; font-size: 12pt;">Another consideration is what frequency we are talking about.  90 db  of 200 Hz isn't the same danger as 90 db of 4,000 Hz, is it? </div> <div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><br> </div> <div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><br> </div> <div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><span class="Apple-style-span" style="font-family: arial; font-size: small; ">Ed Foote RPT<br> http://www.piano-tuners.org/edfoote/index.htmll</span></div> </div> </div> </div>  </div> </font>