[pianotech] Octaves & Unions

Duaine Hechler dahechler at att.net
Fri Feb 4 12:17:02 MST 2011


On 02/04/2011 12:40 PM, tnrwim at aol.com wrote:
>
>     All the above boils down to - trust - I trust Cybertuner to hear all the
>     partials (etc that have been listed before) and the forcasted overpull
>     to tune the note as where it should be, so when you are all done they
>     are in tune with the rest of the piano.
>
>     So bottom line, I - trust - Cybertuner to put the note where it should
>     be - and - by the testing done by other people, its pretty darn accurate.
>
>     As I said - trust - just like you trust your ear to tell you where to
>     put the note.
>
>     -- 
>     Duaine Hechler
>
> OK, let me try one more time. You say that when you get done tuning
> the piano with the Cybertuer, you *aurally* check octaves to make sure
> they are "pure". (I think they way you put it, you don't want to hear
> one over the other). But when you check the octave, (C5) do you first
> recheck the lower one (C4) with the Cybertuner, to make sure it is
> tuned corretly? Or do you just tune the upper note (C5) with the lower
> note, (C4) without making sure the lower note is where it is
> supposed to be?
>  
> Wim
Let's put it this way, with Cybertuner, you tune from A0 to A88 - one
note at a time.

In your example, I don't tune anything to anything because Cybertuner
has done all that checking (hearing partials, calculating stretch,
calculating overpull, etc - basically all the checks you - have - to do
aurally as - you - are tuning) in the first place and it - just - tells
me where to put the next note going up the scale.

This page explains it better than I can:

http://www.reyburn.com/cybertuner.html

-- 
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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