Yamahahaha

Mark Dierauf pianotech at nhpianos.com
Mon Feb 18 20:58:02 MST 2008


Yeah - I measured a 70¢ swing on one after 3 or 4 months, and then a 70¢ 
swing back after another 3 or 4 months. Installing a DC with bottom 
cover reduced it to about a 35¢  swing when the  seasons changed. Oh boy!

- Mark Dierauf

Cliff Lesher wrote:
> <div class="moz-text-flowed" style="font-family: -moz-fixed">The 
> GA-1:  no, I don't think you're being too harsh (Alan Barnard).  This 
> model is absolutely amazing.  I have tuned a GA-1 six times since 
> March of 2006, each time being stunned by the out-of-tuneness.  The 
> hockey-stick section easily swings 80 cents, i.e. +40 to -40 with the 
> RH cycle.  I wonder how many were made.  I would think that Yamaha 
> would recall them or offer full-price trades.  I know this would make 
> my unhappy customer happy.
>
> Cliff Lesher
> Winfield, PA
>
> </div>




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