System Pictures & Description / Subwoofer Gallery

You have got a reflex tube, that has a "Y split" right at the exit of the port? How do you calculate the resonance frequency?
 
Finished two more stackers.

GRS15SSW4HE drivers
4 ft^3, 4lbs stuffing (polyfil)
21" x 19" x 22" (15mm pine rough cdx plywood; stud bracing)
57lbs each

DSCF1742.jpg


DSCF1743.jpg


Metrics are from a single woofer, ground plane, 2 meters, to compression at 10~16hz.

GRS 15SSW4HE Stuffed 4ft^3 Ground Plane 2M to Compression at 36V.jpg


GRS 15SSW4HE Stuffed 4ft^3 Ground Plane 2M to 36V Compression Waterfall.jpg


GRS 15SSW4HE DATS 6lb Stuffed Fb T&S.jpg


Very best,