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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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