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Modified Sine Wave vs Pure Sine Wave Inverter Running Noise


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Do all modified sine-wave inverters have a high frequency buzzing noise or is it just the cheap ones.

Secondly, do pure sine-wave inverters have the same issue.

Want to get a 1000w inverter charger for the tv and dstv and playstation.

Tried the Mustek/Mecer inverters the fan noise is fine with the new models but the buzzing high frequency noise is just to much for having the unit in the lounge.

 

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2 hours ago, Durbanguy said:

Do all modified sine-wave inverters have a high frequency buzzing noise or is it just the cheap ones.

Secondly, do pure sine-wave inverters have the same issue.

Want to get a 1000w inverter charger for the tv and dstv and playstation.

Tried the Mustek/Mecer inverters the fan noise is fine with the new models but the buzzing high frequency noise is just to much for having the unit in the lounge.

 

Are you sure you didn’t have a faulty unit. I have the 2000va mecer unit and its powering my garage motor. The fan is loud but I’ve never heard any buzzing sound from it even if I am right next to it. 
 

BTW, there is a whole thread on mybroadband dedicated to this inverter. You may be able to find better answers in that thread. 

Edited by Vassen
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