Low Frequency Filtering (Off Topic)

by Bert @, Monday, April 24, 2006, 09:39 (6548 days ago) @ jdubs

Hi Jim,

Do you have the recommended specs for such a filter?

In your situation you can replace the input capacitor of your amplifier (for the AER's) to a much smaller one. That will already limit the lowest frequencies. The value needed depends on the input impedance of that amp but you can try to decrease the value until you detect changes in the low mids (less bodied). With that value you have protected the driver more and made life more easy for the amp too.

You can start with 100nF and double or half the value until you have found the smallest without hearing too much change.

Do you think I should even bother given that I'm not watching movies with
these speakers?

A simple test is to play a record with very deep bass and turn up the volume while checking the movement of the AER. If it is not moving much on your listening level then there is nothing to worry about... :)

Ciao,

Bert

--
BD-Design - Only the Best!

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