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Old April 4th, 2010, 10:16 PM
Pete_Hsu Pete_Hsu is offline
Hsu Research
Member Since: Dec 2004
Location: Orange County, CA
Posts: 4,212
Pete_Hsu will become famous soon enoughPete_Hsu will become famous soon enough
Hi manonfire,

The sensitivity of the volume control and the equalization settings are different on these two models. Do you have an SPL meter? If so, then you can take measurements at 16/20/25Hz on the -2 MK3 to compare to the -3 MK2 to see how high the SPL level is before you start to hear the noise.

Are you hearing a whistling sound from the -2 MK3 port? Try putting masking tape around the entire port flare circumference to see if that reduces the noise.

Pete - Hsu Research
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