The Altec 221 is fantastic 2.1 subwoofer system, but suffers from excessive bass output with no means of adjustment.
With reference to https://forum.allaboutcircuits.com/threads/potentiometer-subwoofer-hookup.32316/, here is a method to add a level control to the subwoofer of an Altec 221 speaker system. The original site is French, http://jmraudio.free.fr/AltecLansing/altec_lansing_221.html
Attached is a Google translated English pdf.
/Arte
With reference to https://forum.allaboutcircuits.com/threads/potentiometer-subwoofer-hookup.32316/, here is a method to add a level control to the subwoofer of an Altec 221 speaker system. The original site is French, http://jmraudio.free.fr/AltecLansing/altec_lansing_221.html
Attached is a Google translated English pdf.
/Arte
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