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February 2013

2013.02.06

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50/60 Hz Mains Frequency Converter
By Eliyahu Shahar

For _years_ while I was in Israel I ran both my Duo-Art and
Ampico reproducing pianos on a 120-volt 60 Hz motor with a simple
220-to-110-volt step-down transformer.  The piano motor didn't
even warm up so I was fine with it.

I _did_ increase the size of the pulley to compensate [for 50 Hz
mains frequency] as the motor ran much slower, as was mentioned.

Eli Shahar

(Message sent Thu 7 Feb 2013, 01:01:09 GMT, from time zone GMT-0800.)

Key Words in Subject: 50/60, Converter, Frequency, Hz, Mains

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