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I have a PKO1000 Baldwin organ that makes an extremely loud humming noise when I turn it on. What can this be and is it worth repairing?

Posted by Becky Normam on

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Mikee

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Hi becky
from looking up the model some of the prices were only 30.00 to 40.00 dollars needing repairs other units/ models went higher in price depending on model and if they where in good repair.
so the decision for u would be is this the organ that you want to restore or do you want to look for other units?

Posted on May 19, 2018

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Fred Yearian

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SOURCE: lowrey catillion organ with loud static noise

Try posting on the organforum.com.

It sounds like the power amp has a problem. Probably filter capacitors have gone bad.

Posted on Oct 25, 2009

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pgh_pa_guy

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SOURCE: Turn on the organ and get a loud hum.......

Chances are you're hearing "60-Hertz" hum that comes from poor filtering in the organ power supply. Electronic circuits need direct current (DC) but our power lines supply alternating current (AC). The power supply converts the AC to the various DC voltages needed. Parts called filter capacitors smooth out the voltage, and if they go bad or lose contact because of bad connections the result can be the hum you're hearing.

There are other possible causes, but the filtering is so common it's a good place to start. You don't give the age of this organ, but if it's one that has been around a while, it's a good bet some of those capacitors are worn out.

If you can post a follow-up with a make and model, I'll check some of the technician groups and see if anybody has service information.

Good luck and thanks for using Fixya!

Posted on Feb 11, 2010

Fred Yearian

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SOURCE: Baldwin Model 230 DE when turned on makes a loud

If the organ has a reverb spring "tank" in it, that is likely where the spring sound comes from.

The initial noise is likely due to the initial unbalance of the power audio amp.

Lesser organs don't disconnect the speakers till the amps attain balance so the inrush pulses the speakers..

Posted on Mar 10, 2010

Fred Yearian

  • 5603 Answers

SOURCE: Have an older Lowrey organ with loud hum.

Of course it is repairable.

Find a competent repair person. You did not describe the "noise". If it is 60 cycle hum, the filter caps need replacing. If it is an organ tone, then probably a key contact is stuck.

Posted on May 05, 2010

djlaplaya

dj LaPlaya

  • 74 Answers

SOURCE: Our Baldwin electric church organ is over 30 years

Probably worth getting a new one. Try the keyboards from yamaha, they have good organ sounds.

Posted on May 06, 2010

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Have an older Lowrey organ with loud hum.


Of course it is repairable.

Find a competent repair person. You did not describe the "noise". If it is 60 cycle hum, the filter caps need replacing. If it is an organ tone, then probably a key contact is stuck.

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Baldwin Model 230 DE when turned on makes a loud thunk like the volume is turned way up, then when you disturb or shake the organ or stomp on the floor it makes a loud noise like if you twanged a coil...


If the organ has a reverb spring "tank" in it, that is likely where the spring sound comes from.

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