Thank you all for sharing! I got more than i askB-) Btw, the piano is in a jazz pub. Lim <div class="gmail_quote">On Sep 11, 2012 12:11 AM, "Phil- EMVKEYS" <<a href="mailto:phil@emvkeys.ca">phil@emvkeys.ca</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> <div lang="EN-US" link="blue" vlink="purple"><div>These appear to be “pressure zone” or maybe “boundary” mics – these are not “contact” mics or “pickups” – they’ll likely exhibit nearly 100% rear rejection – although messy, these mics will probably sound orders of magnitude better (more accurate) stuck to the underside of the lid, opened or closed – alternately on a reflective floor directly under the piano Whichever way you go, let your ear decide on proper placement (sounds good? You did it right. Sounds bad? You did it wrong.) Personally, I wouldn’t let anything touch the sound board. In my experience, doing so has an audible negative effect. Phil <div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in"> From: <a href="mailto:pianotech-bounces@ptg.org" target="_blank">pianotech-bounces@ptg.org</a> [mailto:<a href="mailto:pianotech-bounces@ptg.org" target="_blank">pianotech-bounces@ptg.org</a>] On Behalf Of lim hock seng Sent: Thursday, September 06, 2012 3:28 AM To: <a href="mailto:pianotech@ptg.org" target="_blank">pianotech@ptg.org</a> Subject: [pianotech] mics on soundboard</div> Hi list, Are these mics properly placed? Will there be noises coming from it? Didnt get a chance to hear as the sound guy only comes in the night. Thanks!lim </div></div></blockquote></div>