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 Ampico B Music Roll Drive Motor
 By Donald Barton
 
 
 | Does the different electrical current in England affect the speed of
the electric roll drive motor in an Ampico B?
Don Barton - Barton Player Piano Co.
 [ The roll speed is determined solely by its fly-weight governor and
 [ the setting of the Tempo lever.  A "universal" series-connected motor
 [ is employed, therefore it can be operated on mains current from D.C.
 [ to 60 Hz.  The taps of the adjustable power resistor in the shielded
 [ metal box, and the value of the smaller governor resistor that
 [ protects the points, should be adjusted per the procedure given at
 [ http://www.mmdigest.com/Gallery/Tech/Ampico/spoolmotor.htm  -- Robbie
 |  | (Message sent Tue 24 Jan 2012, 00:14:36 GMT, from time zone GMT-0500.)
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