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What is a Low Pass Filter

I can not fin a definition that a newbie like me can understand searching Audiogon. My Subwoofer, Sonus Faber Cremona, has 2 dials in the back. One for Low Pass Filter, switchable from 38-65Hz 6 positions and one for Gain that reads min to max.

More Info:
http://www.sumikoaudio.net/sonus/prod_cremonasubwoofer.htm

Thanks in advance for any help,
David
captaincapitalism

Showing 1 response by unclejeff

unclejeff
1,313 posts
 
I am told that different filters will alter the quality of the sound and that, even though a filter is screening out inappropriate frequencies, there can be a perceptable altering of the final product that you might or not not like.

This is just one adjustment in your overall system.
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