Wudya charge her? And don't belittle those old nasty Acrosonics too much - they were among the best of those crappy little pianos - maybe next best to the Yamaha spinet (just serviced one today - dog-gone nice little itty-bitty piano). So now why did mass make a difference down there? I thought mass only became improtant in the high treble? Terry Farrell ----- Original Message ----- From: "Ron Nossaman" <RNossaman@cox.net> To: "pianotech" <pianotech@ptg.org> Sent: Thursday, March 04, 2004 4:13 PM Subject: the mass of the brass is a gass > > I got to be a junior grade hero the other day. The piano is a poor old > funky Acrosonic, and the daughter was being driven crazy by the last note > on the low tenor. It's a wrapped string, but the first half dozen notes of > the low tenor are on a cantilever. That last unison BONGED terribly. I told > her there likely wasn't much I could do with it, but I'd give it a look and > see. > > After the tuning, I experimentally clamped my little Vise-Grip on one of > the bridge pins of that last unison and the bong disappeared. The > bass/tenor transition was even relatively tolerable. I called in the > daughter and had her play across the break, then removed the Vise-Grip and > had her try again. She was really impressed, so we called Mom at work and > got executive authorization for a fix of sorts. > > For the last couple of years, I've carried about a 70g brass weight with a > screw soldered into it. I use it for the occasional diagnostic test in > killer octaves and low tenors. I installed it on the bridge top, since the > cantilever posed some problems to back side installation, floating it clear > of the bridge pins so it wouldn't buzz. It looks pretty goofy, but it's > behind the knee board where it won't typically be seen, and the difference > it made in sound was dramatic. It's still a funky old Acrosonic, but now > it's more uniformly funky and a lot easier to listen to. > > Now I have to make another weight. > Ron N > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives >
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