Ported Subwoofer Build Projects
PHASE 1
GATHER PARTS
1-Dayton Audio RSS390HF-4 15" Reference HF Subwoofer 4 Ohm
1- 36LONG 18ROUND SONA TUBE
1- LAYER OF ACOUSTIC FOAM 2.5IN THICK
1.5IN MDF END CAPS
1- 5IN ROUND .25 THICK 15INLONG TUBE PORT TUNED TO 28HZ
3.6CUBIC FEET