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    Drastically diminished subwoofer performance, cant figure out why, please help

    I recently upgrade my HT setup and moved my old equipment into a computer / game room. After setting everything up I am getting very low amts of bass output from the sub that use to be my main sub for 3 years (and was very happy how it performed) My subwoofer (monoprice monolith 10") + marantz...