Stereo Integrity's Home Theater subwoofers are designed to offer exceptional sound quality and low frequency extension. The HT series of woofers are handsomely equipped with all of the features that you're looking for. The attention to detail in their design extends to the exotic CZA spiral cut voice coil former material used to reduce eddy currents along with the 8" Nomex spider with sewn-on leads. To help keep the voice coil stay cool there is a custom tooled vented spacer ring sandwiched between the basket and the motor to allow cool air to be sucked in around the outside of the coil winding's. Other elements (listed to the right) are class leading 22.5mm of Xmax and 43mm of Xmech ensuring plenty of both linear, and peak, travel for those deep bass requirements. You can't get this much linear displacement for the dollar anywhere else.

Stereo Integrity HT 18" Subwoofer
	18" D2 Re: 3.5 Ohms Fs: 17 Hz Qes: 0.41 Qms: 5.8 Qts: 0.38 Le: 3.2 mH Sd: 117841 mm^2 Vas: 411.9 l BL: 19.7 Mms: 416 g Cms: 208.8 Sensitivity (1W/1m): 88.7 dB Xmax: 22.5mm Recommended enclosures: 18" Sealed = 4 ft^3 Ported = 5-6 ft^3 tuned to 20 Hz Cutout: 16.7" OD: 18.5" Mounting depth: 9.5" Mounting flange to top of surround: 1.5" Displacement: 0.25 ft^3

---

Stereo Integrity HT 15" Subwoofer
15" D2 Re: 3.7 Ohms Fs: 18.5 Hz Qes: 0.37 Qms: 6.3 Qts: 0.35 Le: 3.5 mH Sd: 80445 mm^2 Vas: 220 l BL: 18.9 Mms: 309 g Cms: 239 Sensitivity (1W/1M): 87.4 dB Xmax: 22.5mm Recommended enclosures: 15" Sealed = 3 ft^3 Ported = 5 ft^3 tuned to 22 Hz Cutout: 14.0" OD: 15.5" Mounting depth: 8" Mounting flange to top of surround: 1.5" Displacement: 0.19 ft^3

Additional test data on the 18" D2 can be found on Data-bass's web page by clicking this text.