SPACE SERIES 10-INCH SINGLE 2-OHM LOW PROFILE SUBWOOFER FEATURES Low-Profile Shallow Mount Subwoofer Fiber Matrix Injection Molded Polypropylene Cone Weather-Resistant Design 3-Layer High Temp Voice Coil Former Optimal Thermal Efficiency Wrap-Sealed Rubber Gasket to Protect Enclosure Interior Removable Subwoofer Grille Included PAIRINGS Our Sonic Sommeliers Recommend the Following: A single Space Series 2 ohm subwoofer pairs beautifully with the ACM-1.300 or ACX-300.1 for the conservative to moderate listener.For more dramatic output, seek out the ACX-600.1. Planning to savor the sonic bliss from one of our LC-5.1300 or D-5.1300 amplifiers? The full-bodied power delivered from the output of channel 5 is a perfect match. Bon appétit! For system designs utilizing two Space Series 2 ohm subwoofers, we recommend the LC-1.1500… delightful! Seeking superlative space-saving subsonic nirvana? Planning to include three or more Space Series subwoofers in your system? Consult an expert at your favorite authorized AudioControl dealer, or visit audiocontrol.com for more system configurations that deliver the ultimate in listening pleasure. SPECIFICATIONS THIELE/SMALL PARAMETERS Nominal Impedance (Z) 2 ohms DC Resistance (Re) ]] 1.8 ohms Resonance Frequency (Fs) 37.48 Hz Piston Area (Sd) 0.0330 m2 Force Factor (BL) 10.03 T.m Mechanical Q Factor (Qms) 4.0332 Electrical Q Factor (Qes) 0.4879 Total Q Factor (Qts) 0.4353 Sensitivity 1W/M (SPL) 86.0912 Mechanical Comp (Cms) 0.1554 mm/N Moving Mass (Mms) 116.0099 g Linear Excursion (Xmax) . 9 mm Volume Acoustic Comp (Vas) 23.6364 Ltr/0.834712 cu ft Reference Efficiency (NO.) 0.25% RMS Power (Pe) 400 Watts Frequency Response 20-250 Hz Voice Coil Diameter 2.5 in/63.5 mm Displacement 0.045 cu ft/ 1.275 Ltr IN THE BOX: SPC-10S2, Manual, Warranty DIMENSIONS Overall Dimensions: 10.39 in/ 264 mm Cut Out Diameter: 9.13 in/ 232 mm Mounting Depth: 3.5 in/ 89 mm Mounting Height (w/o Grille): 0.71 in / 18mm Mounting Height (w/ Grille): 1.22 in / 31mm PORTED ENCLOSURE External Dimensions: 24.00″ W × 14.50″H × 12″D Net Internal Volume: 1.40 ft3 Total Internal Volume: 1.75 ft3 Gross External Volume: 2.38 ft3 Material Thickness: 0.75″ Tuning Frequency: 40 Hz Port Area” 22.75 inch2 Port Inlet: 1.75″W× 13″H Port Length: 22.25″ F3 (Hz): 34 SEALED ENCLOSURE External Dimensions: 26″ W × 14.50″H × 5.00″D Net Internal Volume: 0.60 ft3 Total Internal Volume: 0.65 ft3 Gross External Volume: 1.09 ft3 Material Thickness: 0.75″ F3 (Hz): 60 Qtc: 0.703 *Enclosure size recommendations do not include driver and/or port displacement