Transposing Piano

[Piannaman@AOL.COM]

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Ron,

Thanks for reminding me how this works!  Don't think I ever tuned the 
instrument when it was at our store, because I was more involved in sales at 
the time(should I admit that???  flame suit on....)  

Dave Stahl

In a message dated 8/24/02 9:07:56 PM Pacific Daylight Time, 
ron@overspianos.com.au writes:


> These Ibach transposers are interesting. The one in Sydney we maintain is 
> owned by the Faber-Castell family (of pencil fame).
> 
> 
> There is a lever under the keyboard (under the treble end) which is 
> depressed then shifted to a new position to relocate the rest position of 
> the action (to select the desired key). When the 'shift' lever is first 
> depressed, it lifts the damper tray to avoid damper lever damage when the 
> action is shifted.
> 
> 
> The one we maintain, when at the 'key of C' position, has a standard 
> compass from A1 to A 85. The 'key position' can be adjusted four semitones 
> up and down from the C position. So the lowest note in the bass is the F 
> below A1 while the highest in the treble is C88. There are extra notes 
> either side of the bass/treble break which are required when the action is 
> shifted from the standard 'key of C' position. The plate is made with a 
> capo bar which extends through the entire compass of the instrument, 
> inverted agraffes are inserted into the capo to enable the string positions 
> to be evenly spaced from the bass/treble break to the very highest note. 
> The plate struts are quite elevated to allow for the strings to be located 
> under the struts where necessary.
> 
> 
> Tuning these instruments is an interesting exercise, since the 'scale' is 
> laid in the C position, then as the bass/treble break is approached one 
> needs to 'change gears' to the lowest key to tune all strings in the tenor. 
> Once the tenor is tuned one has to 'change gears' again to the highest key, 
> to tune the highest notes in the bass section. Then 'low gear' needs to be 
> found again the lowest notes in the bass.
> 
> 
> All in all, these 'formula 1' style tunings should attract a higher fee. 
> But then again, it makes a tuning day a little more interesting than usual.
> 



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