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MMD > Archives > May 2004 > 2004.05.01 > 03Prev  Next


Duo-Art Fan Accordion Expression System
By Bruce Grimes

I am planning to do a hands-on discussion for a group of collectors
of several of the versions of the Duo-Art fan-system.  I would welcome
any additional examples to this " lets look at them"  session.  I am
looking for examples of two specific ones that you might bring with
you, or sell or loan me:

#1. As pictured in Nov.-Dec. 2002 AMICA Bulletin, pictures 2, 3, 4,
pp.  271 and 272, the one with _only_ leaf springs, no wound springs.
This one apparently was produced for the Duo-Arts with the drawer and
stack _above_ the keyboard.

#2.  As pictured in Nov.-Dec. 2002 AMICA Bulletin, pictures 13-17.
The one that is square and approximately the same size as the Standard
system; thus far I have only come across two of these.  Would like
pictures or would like to purchase further examples, preferably still
in the piano.

I have been most pleased at how this system performs, how it juggles
the 256+ expression powers of the Duo-Art and plays the rolls without
requiring them to be recoded to access the altered capabilities of the
system.

Communications I have received provide evidence of at least 50 fan
systems that made it to market, the earliest so far would indicate
development probably in 1926/27.  There must be many more.  Tolbert
Cheek does not yet seem to have been involved in development, at least
in the early stages.  Any information you have would be welcomed,
especially factory produced literature whether for sales of service.
I'm not a "know-it-all", I'm a "wanna know more"!

In information you may send, I'd of course like pictures, but at the
very least: How many wound springs?  How many leaf springs on Theme?
On Accomp.?  At what powers do you think they should engage?  Does it
have a crash?

What kind of spill does it have?  If the arm-spill, are pouches driven
by Theme only, by Accomp only, or both?  Is one of the pouches in the
spill activated by the crash only?  I've seen all of the above.

Bruce Grimes


(Message sent Sat 1 May 2004, 13:43:33 GMT, from time zone GMT-0400.)

Key Words in Subject:  Accordion, Duo-Art, Expression, Fan, System

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