Read Ron Overs posting just a couple of posts ago (More CC questions....) It describes the purpose of the cut-off and the fish very well. Basically, you're making a tweeter. David Love davidlovepianos@comcast.net -----Original Message----- From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf Of gordon stelter Sent: Friday, February 18, 2005 5:35 PM To: Pianotech Subject: "Fish"....my best guess... ( saw Terry's lovely photo ) is that it stiffens this area of the rim so that vibrations travelling from the board are not creating friction, and lost as heat energy ( due to molecular "wiggling" ) but are more likely kicked, or otherwise ransmitted, back into the board. Right ? ( Praise Be to the Circle of Sound! ) Thump lman/listinfo/pianotech
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