Grey Market Yamaha and Dampp Chaser

[Ron Nossaman]

>Hi all,
>
>I have a customer with a grey market Yamaha U2 which I installed a 
>Dampp-Chaser system in about a year ago.
>I recently went for the 6 month tuning and found the soundboard cracked in 
>several spots with some buzzing occurring.
>
>The customer said he was home when the board cracked because he heard it 
>happen. The D-C is working properly and the piano is not backed-up to any 
>heater, outside wall,...
>
>Just wondering if this has happened to anybody else or if anybody has some 
>general comments on this.
>
>Thanks in advance.
>
>Doug Mahard

Yes, it has, and it's in no way the Dampp-Chaser's fault. 

Ron N