My topic today is not the hardware that we use to reproduce sound, but the delicate precision instruments we use to detect it: our ears. Our enjoyment of musical sound is important enough to justify spending thousands of dollars on recordings, electronics, loudspeakers, and concert tickets. What is it worth to preserve your hearing so that you can continue enjoying great sound 10 or 20 years from now? I've been conducting an experiment for the last 30 years, at a cost of less than a penny a day. It began when I was 17.

My topic today is not the hardware that we use to reproduce sound, but the delicate precision instruments we use to detect it: our ears. Our enjoyment of musical sound is important enough to justify spending thousands of dollars on recordings, electronics, loudspeakers, and concert tickets. What is it worth to preserve your hearing so that you can continue enjoying great sound 10 or 20 years from now? I've been conducting an experiment for the last 30 years, at a cost of less than a penny a day. It began when I was 17.

<B><I>Sound Reproduction: Loudspeakers and Rooms</I></B><BR>
By Floyd E. Toole. Focal Press (Oxford, England, UK, <A HREF="http://www.elsevier.com">www.elsevier.com</A&gt;, footnote 1), 2008. Paperback, 550 pages, ISBN 978-0240520094. $49.95.

Back in February 2008, senior contributing editor John Marks decided to hold <a href="http://www.stereophile.com/thefifthelement/208fifth/index.html">a competition</a>.