ok, this weekend i started building my sonotube sub. the plans i came up with were 8 cu ft @ 17hz, using a 20" dia sonotube and 6" precision port. the driver i used is the stereo integrity magnum 15" magnum
so i cut and screwed everything together for a test run (no gluing involved) i still have yet to put the sound deadner in. so i lugged it down to my room and plugged it into the buttkicker amp (1000rms @ 4ohm) soundded great, except at 25hz (i tried a 25 hz tone to very this) it bottoms out like nuts, even though lower and higher frequencies are fine. i am lost as to what would be causing this and need some help.
so i cut and screwed everything together for a test run (no gluing involved) i still have yet to put the sound deadner in. so i lugged it down to my room and plugged it into the buttkicker amp (1000rms @ 4ohm) soundded great, except at 25hz (i tried a 25 hz tone to very this) it bottoms out like nuts, even though lower and higher frequencies are fine. i am lost as to what would be causing this and need some help.
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