Hi Stan, Any chance there has been a historical event i.e.the Manitoba flooding of a couple of years ago that may be a factor in this situation? In any case I would be pleased to suggest a few options by phone next week. A serial no. would be helpful...is this a GH1 or GH1B?...there is a difference. Ron Giesbrecht, Piano Service Manager Yamaha Canada Music Ltd. (416)298-1311X2303 reply to: rgiesbrecht@yamaha.ca >---------------------------------------------------------------------- > >Date: Thu, 09 Mar 2000 21:09:09 -0600 >From: Stan Kroeker <stan@pianoexperts.mb.ca> >Subject: Yamaha GH1 > >Dear fellow techies, > >Patient: Yamaha GH1, 14 yrs old. > >Condition: Treble bridge delaminating from soundboard and soundboard >delaminating from rib #2 & 3 (approx. C5 - G6). Downbearing barely >detectable at all points along bridges. > >Symptoms: None really! Tone is relatively even throughout the scale, >with good sustain. No dead spots, buzzes or rattles. > >I presented the client with the following options: > >1. Do nothing. She enjoys the piano and apart from the obvious untoward >appearance, the piano sounds pretty much the way a GH1 normally sounds. > >2. Reduce tension across the scale and remove top 3 octaves of strings, >use various wedging, clamping, screwing, gluing and or sorcery >techniques to reunite the delaminated portions of >bridge/soundboard/ribs. The worry here is that this may result in a net >reduction in the already barely detectable downbearing. > >3. Put newfound soundboard replacement savvy (re: Brandon >University/Bolduc soundboard seminar) into practice and slide a new >board into place. > >Anyone ever see this condition on a Yamaha piano before? Anything to >add to the above options? > >Best regards to all! > >Stan Kroeker >Registered Piano Technician >
This PTG archive page provided courtesy of Moy Piano Service, LLC