There's a guy on Audiogon right now selling the Muse 18 sub.
Ask him if he has the manual?
http://app.audiogon.com/listings/full-range-muse-model-18-subwoofer-__-a-tight-and-wonderfully-detailed-sub-2013-05-27-speakers-60302
Ask him if he has the manual?
http://app.audiogon.com/listings/full-range-muse-model-18-subwoofer-__-a-tight-and-wonderfully-detailed-sub-2013-05-27-speakers-60302