CSS SDX15

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The next subwoofer in the Subduction series, the SDX15 is now in stock. This is the first high excursion Subduction driver using a 3" XBL2TM motor with dual 2 ohm voice coils.

- fiberglass/nomex woven cone with NBR surround
- high power, low inductance design, 4 layer 3" copper voice coil and copper shorting ring inside the magnet
- forged and machined T-yoke and top plate with larger radiused pole vent for low aerodynamic noise
- high excursion spider with integrated lead wire
- attractive cast aluminum basket design with cast aluminum trim ring
- long Xmax and a "bottomless" basket design

Parameters (after break-in)
Re: 3.6 (1.8 ohms per coil)
Le:1.8
Fs: 19.2
Qms: 3.65
Qes: 0.44
Qts: 0.39
Vas: 218.44
Cms: 0.25
SD: 790
Xmax 30mm
Xmech 40mm
BL: 16.5
Mms: 274.8
SPL: 87.3, 1000 RMS watt power rated.

At this point we are recommending a 4 cu ft (114 l) sealed enclosure with the LT1300 plate amp. Driver cutout is 13 15/16" (354 mm) and the frame is 15 5/16" (388mm) wide. A double 3/4" (19mm) mounting wall is recommended to flush mount the driver.

Additional Alignments
Recommended sealed enclosure:
Car audio - 2.5 cubic feet sealed and fully stuffed.
Home audio - Mid Q (Q.707) 3.4 cubic feet fully stuffed, Low Q (Q.577) 6.5 cubic feet fully stuffed

Recommended ported enclosures
HT - 5 cubic feet 20 Hz tune, 2 4" flared vents 28.5" long. or 1 6" vent 31 long, Line walls with stuffing
EBS - 8 cubic feet tuned to 18 Hz, 2 4" flared vents 27.5" long, 1 6" vent 30" long, Line walls with stuffing
Car Audio - 4 cubic feet tuned to 25 Hz, 2 4" vents 20" long, Line walls with stuffing




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