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#2146175 - 09/08/13 04:36 AM wooden frame vs metal plate
chopin_r_us Offline
1000 Post Club Member

Registered: 09/17/10
Posts: 1605
Loc: London
'The metal plate (Fig. 29) brought improved tuning stability and, at least to most modern ears, better tone.' from: http://www.speech.kth.se/music/5_lectures/conklin/thecastiron.html

Is he hinting at the elephant in the room? that tone was sacrificed for power? How would a Stradivarius violin sound with the addition of a metal plate? and last question - Why is no one making wooden framed pianos anymore (apart from replicas)?

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#2146306 - 09/08/13 12:20 PM Re: wooden frame vs metal plate [Re: chopin_r_us]
bkw58 Offline

Silver Supporter until December 19, 2014

Registered: 03/14/09
Posts: 1989
Loc: Conway, AR USA
Thank you for posting these lectures. Regarding the series in question: The Cristofori is more link than it is piano. Other comparisons would be more realistic.

Edited by bkw58 (09/08/13 12:23 PM)
Edit Reason: deletion
Bob W.
Retired piano technician
Conway, Arkansas

#2146328 - 09/08/13 12:54 PM Re: wooden frame vs metal plate [Re: chopin_r_us]
chopin_r_us Offline
1000 Post Club Member

Registered: 09/17/10
Posts: 1605
Loc: London
Yes you're right. My newest wooden frame (upright 1892) has modern trichords down to the tenor. I'll have to check the string thickness.

correction: it's trichord (.8mm) down to F above middle C and then bichord (1.0mm) to B (second line on bass clef). Also, of course, it's missing an octave so less tension there.

So, maybe it's as tense as a wooden frame could reasonably get. It has a tone you just couldn't get from a steel frame though less power. And yes, it requires more tuning but then no one complains about tuning a Strad so many times a day!

Edited by chopin_r_us (09/08/13 01:30 PM)


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