The device is the Grijalva Treble Tone Resonator (Pianotek part # RH-4TRL) and it would improve your problem, it might even do so amazingly, I just wouldn't want to promise that much always, as results vary. I have put over ten of these on and have always been satisfied, sometimes as I said the results are truly superior. Soundboard Geritol. Chris Solliday, RPT ----- Original Message ----- From: "Ron Nossaman" <rnossaman at cox.net> To: <pianotech at ptg.org>; <caut at ptg.org> Sent: Friday, February 26, 2010 12:50 PM Subject: Re: [CAUT] [pianotech] Riblets > Andrew Anderson wrote: > > The school whose Steinways I service would like to ameliorate the poor > > balance between bass and treble in their D. This D was a really weak > > treble. Voicing the hammers up makes for a harsh attack but doesn't > > seem to address power. > > > > Could someone who has utilized riblets on a S&S D comment on their > > experience. > > I haven't dried riblets on a D, but I know of a couple of > instances where it was tried, and heard one of them first > hand. The consensus was that it was somewhat less bad, but not > really better. Still, it's worth a try for the price of making > a couple. I think the belly rail, unsupported through the top > half of the scale by other than the "little stick", offers > more potential, however. Pianotek sells a turnbuckle adjusted > brace that will likely help more than riblets. > > Or if you'd like a more extensive modification... > Ron N
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