Mason AA key end felts

[pjr]

Just looked at my AA (1939 vintage) and found someone had glued on thin 
strips of felt (a la fallboard felt) to build up the key end felts 
_EXCEPT_ for the lowest 6 notes.   They were the original felt only.  
Must be something to what you say.

Phil Ryan
Miami Beach


Tom Sivak wrote:
> List
>  
> In the process of rebuilding a Mason and Hamlin AA, I now have to 
> replace the key end felts.  As I was removing the old ones, I noticed 
> that the bass section had thinner felts than the rest of the piano.  I 
> never noticed this before on any other piano, but then, I didn't 
> really notice it on this piano until I started razorblading them off. 
>  
> Is this standard procedure?  I know the strings are a higher in the 
> bass section, but the blow distance and the key dip is the same, so 
> what purpose could there be behind having thinner key end felts in 
> that section? 
>  
> It looks to me as if they are original felts.  I wouldn't be replacing 
> them if they weren't so worn out to begin with.  (Big dents in the 
> felt; some bigger than others; I was unable to get an even damper lift 
> from the keys even though they lifted evenly from the damper lever.)
>  
> Thanks in advance,
> Tom Sivak
> Chicago

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