[pianotech] DC (was:To unplug or not to unplug)

Mr. Mac's tune-repair at allegiance.tv
Tue Jan 25 08:55:23 MST 2011


On Jan 25, 2011, at 6:50 AM, Ron Nossaman wrote:

> … The alternative is finding the uncontrolled piano 30¢ off pitch in the tenor and low treble every single time we tune it, …

Ron,

Knowing that some piano makes are notoriously reliable for this activity,
   I have never really understood why this is so.
This, as you expressed, occurs at the break from wrapped music wire
   to plain music wire in the low tenor,
   and occurs at the strut? break at the high tenor to low treble.

Always have I dealt with this in the university I service every semester,
   but I don't recall a reason ever being given, nor have I ever bothered to ask.
   I've just accepted that's the way it is.

So, I'll stick my neck out, Is there one?

Keith


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