I see how the "resonator" would make the belly rail stiffer (good), and it would deter outward movement, but wouldn't a good solid hunk of timber be at least effective in stiffening the belly rail and preventing any kind of movement of the belly rail or rim - either way (not that I think we are really worried about significant movement)? Seems to me a good timber in there might even have more effect on stiffening the belly rail as it might be easier to make a more massive (dowels, epoxy, etc.) bonding mechanism between the timber/rail/rim? Seems to me the main advantage with the "resonator" is a mental one for those that subscribe to the belief that soundboards go flat because the rim and belly rail migrate outwards. Or maybe not? Fire away! Terry Farrell ----- Original Message ----- From: "Isaac OLEG" <oleg-i@wanadoo.fr> To: <files@ptg.org> Sent: Sunday, July 06, 2003 5:06 PM Subject: TR: Treble resonator > Pictures of a treble resonator maounted (Steinway C)
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