Daniel, It sounds as though the "rebuild" did not include a new soundboard? Anyway, if you like the sound and it's not buzzing, just let it be. No, you can't shim from underneath, you would need to de-string remove the plate and shim the cracks. A lot of work, especially for an upright. Then again, if it starts to buzz, then off to work you go if you think it's worth it! My 2 cents Paul "daniel carlton" <hacicspe at gmail.com> Sent by: pianotech-bounces at ptg.org 02/15/2008 01:08 AM Please respond to Pianotech List <pianotech at ptg.org> To "pianotech mailing list" <pianotech at ptg.org> cc Subject soundboard on my 1890's Knabe upright hey techs i've got a rebuilt (rebuilt 2 or 3 years ago) 1890's Knabe upright. nice warm, woody sound, and it's already been used in a few recordings. i'd like to have it sound nice for many more years. i do have one concern. i've noticed a crack or two in the soundboard, and it bums me out to have a rebuilt, beautifully sounding piano with a crack in the soundboard. now i did a few shims at nbss on grands we were rebuilding, but never any uprights... and in the following post https://www.moypiano.com/ptg/pianotech.php/2006-January/184497.html, David Ilvedson says you can't shim from behind. so my question is can anything be done to fix the cracks? as always, any help is greatly appreciated. thanks daniel carlton -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20080215/11f25cd8/attachment.html
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