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MMD > Archives > July 2010 > 2010.07.05 > 06Prev  Next

Reducing Turbine Suction Pump Noise
By John Taber

Hello MMD -- Back in 1970, I converted my Lexington Simplex player
piano to Model A Ampico.  The Lee vacuum box made too much noise
for my liking so I lined the box inside and out with 1/4-inch thick
sheet lead.  That cut the noise down to a whisper.

Yes, a little more heat, but the motor lasted 13 years, with plenty
of playing of those Jumbo Ampico rolls!  I'm on the third motor now,
that I got from PPCo about four years ago for $99.00.  Yes, it is
heavy, and I have to remove it if I move the piano anywhere but across
the room.  I wanted to save the foot pumps for playing 88-note rolls
with expression.

John Taber
East Hartford, Connecticut

(Message sent Mon 5 Jul 2010, 04:32:30 GMT, from time zone GMT-0700.)

Key Words in Subject:  Noise, Pump, Reducing, Suction, Turbine

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