Mystery grand damper dilemma

[Tom Driscoll]

>
> Here's a good one: While testing a new Kohler & Campbell SKG 500 Grand, I
> noticed that the dampers from the mid section up were very sluggish, and
> while they would damp the strings, it took much to long for them to come
> back down to rest on the strings, almost as if in slow motion.
> So i tested another identical Kohler grand...SAME PROBLEM! But this time
it
> was mostly in the bass section. I did discover the problem, and the remedy
> was pretty simple. Any guesses as to what was the culprit?
>
> Terry Peterson

    Since everbody has listed the usual suspects, I'll guess poorly
positioned upstop rails.
    What do I win?
          Tom Driscoll