Dual Subwoofer Design (Bass Reflex)

Recently, we ran a competition to design a dual subwoofer cabinet featuring two CF1840JD LF drivers. Here's one of the great entries we had, from Enrique. In the end it wasn't a winner, but a very interesting design, nonetheless...

September 18, 2014

CF1840JD Basic Parameters: Vas: 113.9; Qts: 0.44; Fs: 44.20; SPL: 98.00

Number of drivers: 2

Box type: Vented - 0.195 m length, 12.00 x 90.00 cm rectangle

Box size:
1.5 inch thickness for solid construction.

SPL inside the box at 1000w (approximate): 131 dB.
Speakers connected in parallel to obtain 4 ohms.

Check out the full design information in the attached PDF.
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