[pianotech] Old can of worms (was Re: tunelab vs verituner)

Duaine Hechler dahechler at att.net
Fri May 11 19:19:41 MDT 2012


On 05/11/2012 05:36 PM, John Ashcraft wrote:
> In an aural pitch-raise on a typical piano,  I tune sharp about 50% of the amount the piano was below pitch in the 
> temperament. When I've finished my 2-octave temperament, the sharpness has slipped to about 40% with full strip 
> muting. Octave 5 is usually flatter than the rest of the piano, so I listen for that before beginning; if it is, then 
> after I do the temperament, I go up to the top, stretching 5-10 cents more in that octave, then tuning fair octaves 
> the rest of the way up.Then I tune the bass from the temperament down, knowing that the temperament has gone down to 
> maybe 35% sharp. Then I tune unisons.  About 90% of the time, this puts the piano within a 5-cent window of the 
> correct pitch for every note. You get to recognize the brands of piano that need more of less sharpness to start. No 
> big deal.
> John Ashcraft, RPT
> Serving Rural Oregon and Nevada

How, in this big wide world (to be polite), can you tell (a) stretching 5-10 cents (b) 5-cent window - without an ETD ?????

-- 
Duaine Hechler
Piano, Player Piano, Pump Organ
Tuning, Servicing&  Rebuilding
Reed Organ Society Member
Florissant, MO 63034
(314) 838-5587
dahechler at att.net
www.hechlerpianoandorgan.com
--
Home&  Business user of Linux - 11 years



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