[CAUT] P22 Foam Core in Keybed/Player

[Andrew Anderson]

At Piano Disci we were taught to assess the stability of the keybed  
and reinforce with steel angle iron when necessary.  This would be  
routed into the keybed and bonded with epoxy with screws to help clamp  
together.  It is annoying extra step when necessary.

Andrew Anderson

On Jan 5, 2009, at 2:24 PM, Jim Busby wrote:

> All,
>
> Have any of you installed a player system in a P22? I understand  
> there is a foam core in the keybed to reduce noise. I called Yamaha  
> to verify this and they said some indeed do. If that is the case,  
> then cutting out the back for the tray may be disastrous for keybed  
> stability. When the tray is screwed into solid wood the keybed  
> becomes stable again. Any thoughts, experiences? Would a UST7 be  
> better? (We own 276 P22s and 31 UST7s)
>
> BTW, we want to install a player unit for the practice room for the  
> “theater and dance” students. We own 27 Disklaviers and are looking  
> for cheaper alternatives, since these units DON’T need to record,  
> just playback.
>
> Thanks.
>
> Jim Busby BYU

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