Alpine SWS-1222D User Manual - Page 4
Subwoofer, Features, Specifications
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Subwoofer Features and Specifications Features Size Power Handling (RMS/peak) Power Range (RMS) Frequency Response (Hz) Diaphragm Surround Spider Voice Coil Motor Structure Frame Terminals Tinsel Leads Gasket Material Design Material Design Material Design Material Design Pole Geometry Configuration Material Design Layout Design Design Design Enclosure Information Mounting Depth Mounting Diameter - Front Mount Added Volume - Reverse Mount** Displacement _ Front Mounted** Displacement Rear Mounted** Recommended Box Types (S)Sealed/(V)Vented/(BP)Bandpass Sealed Box Volume Range Optimum Sealed Box Volume Vented Box Volume Range Optimum Vented Box Volume Vent Diameter/Length Usable Q-Logic Box Types Optimum Q-Logic Box Type SWS-1022D Type-S SWS-1042D SWS-1222D SWS-1242D 10" 10" 12" 12" 300W/900W 300W/900W 300W/900W 300W/900W 50W-300W 50W-300W 50W-300W 50W-300W 30Hz-1kHz 30Hz-1kHz 26Hz-1kHz 26Hz-1kHz Aluminum Coated Poly and Kevlar Reinforced Pulp 2-piece Parabolic Injection Moulded Santoprene® High Excursion Tapered Half-Roll Nomex® Mirrored Progressive with Perimeter Venting (Pat. Pending) 180°C High Temp Wire, High-Srength Brass Former 4-Layer Dual Voice Coil Compound Radius Curve (Patent #6,639,993) Extended Dual Flare Pole Vent Heavy Gauge Steel Deep Draw with Vented Leg/Spider Plateau, Integrated Terminal Landing One Side Heavy Duly 8ga. Push with Housing, Banana Plug Jumper Reinforced Layer Spider Integration (Pat. Pending) Injection Moulded Hiden Screw Design with Front/Rear Sealing 153 mm (6.1") 227 mm (9") 0.056 ft3 0.067 ft3 0.086 ft3 0.65-1.5 ft3 -IBA... 1.0-1.75 ft3 TBA*** IBA*** 153 mm (6.1") 164 mm (6.6") 227 mm (9") 274 mm (11") 0.056 ft3 0.0843 ft' 0.067 ft3 0.086 ft3 SN/BP 0.095 ft3 0.123 ft,., 0.65-1.5 ft3 0.85-1.5 ft3 TBA*** 1.0-1.75 ft3 TBA*** 1.25-2.0 ft3 TBA.** IBA*** TBA*** TBA*** 1s, 2. 3, 4 2 sealed 164 mm (6.6") 274 mm (11") 0.0843 ft3 0.095 ft3 0.123 ft3 0.85-1.5 ft3 TBA*** 1.25-2.0 ft'' TBA*.* TBA*** Electro-Mechanical Parameters* Nominal Impedance Frequency Response Sensitivity (SPL@1W/1m)* D.0 Coil Resistance (Re) Inductance (Le) 1kHz/20kHz Free Air Resonance (Fs) Equivalent Stiffness (Vas) Mechanical Q (Qms) Electrical Q (Qes) Total Q (Qts) Linear Excursion [(Hvc-Hag)/2)], One-Way (Xmax) Magnetic Linear Excursion, One-Way (Xmag) Mechanical Excursion, Peak-to-Peak Gap Height (Hag) Coil Height (Hvc) Cone Area (Sd) Voice Coil Diameter Magnet Weight 2O+2Q 30 - 1kHz 84.0dB 1.8Q +1.8O TBA*** 35Hz 23L (0.81 ft3) TBA*** TBA*** TBA*** 12.9 mm 14 mm 44 mm 8mm 33.8 mm 330 cm2 38 mm (1.5") 50 oz 4.O+4O 30 - 1kHz 84.2dB 3.2O+3.2O IBA*** 36Hz 23L (0.81 ft3) TBA*** TBA*** TBA*** 12.8 mm 14.4 mm 44 mm 8mm 33.5 mm 330 cm2 38 mm (1.5") 50 oz Note: All specifications are subject to change without notice # All T/S parameters measured/calculated with voice coils connected in series, after break-in. * This commonly misunderstood specification should not be used as a reference for subwoofer output capability. ** Based upon 3/4" (19mm) baffle thickness, with opening cut approximately to gasket inner diameter ***Please consult Alpine's website at www.alpine.com for latest detailed specifications 2O+2O 26 - 1kHz 86.2dB 1.8O+1.8O IBA*** 31Hz 56L (1.98 ltd) TBA*** TBA*** IBA*** 12.9 mm 14 mm 52 mm 8mm 33.8 mm 485 cm2 38 mm (1.5") 72 oz 4O+4O 26 - 1kHz 86.1dB 3.2O+3.2O TBA*** 32Hz 56L (1.98 ft3) TBA*** TBA*** IBA*** 12.8 mm 14.3 mm 52 mm 8mm 33.5 mm 485 cm2 38 mm (1.5") 72 oz