ppi amp help

owlfabet

Junior Member
have an older ppi amp model 5440 the 5 channel one and i have it currently hooked up with 4 jl coaxial speakers all the way around and jl power wedge (2 tens at 4ohms) and it works well except at times (currently) the subs will not play and or will play at a real low volume barely audible but the other speakers sound normal I had this problem before and i was told it was that there was too much bass going to the speakers, and that the qbass adjustment was dusty because the amp was not being used for over a year.....any idea on what to check as to what might be the problem?

thanks

 
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owlfabet

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