Alpine SWX-1242D User Manual - Page 3
Alpine SWX-1242D Manual
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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 I rano I on' iiiials I inset Leads Gasket Material Design Material Design Material Design Material Design Pole Geometry Configuration Material Design Design Layout Design Material Design Design SWX-1042D Type-X SWX-1242D 10" 12" 1000W/3000W 1000W/3000W 500W-1000W 500W-1000W 24Hz-200Hz 23Hz-200Hz Carbon Fiber/Aluminum Honeycomb/Kevlar Reinforced Pulp 1-piece Parabolic, Vented Force Transfer Assembly Injection Moulded Santoprenee High Amplitude Multi-Roll (HAMR) (Pat.Pending) Nomex® Mirrored Progressive 220°C Wire on Twin-Wall Brass/Aluminum Former (Patent #6,292,079) 4-Layer Dual 4O Voice Coil with Inner/Outer Winding Compound Radius Curve (CRC) (Patent #6,639,993) with T-Drive Billet Copper Shorting Sleeves with Thermal Coupling Plate (Pat. Pending) Cast Aluminum Exo-Frame with Perimeter Venting (Pat. Pending) Integrated Spider Landing & Heat Transfer Plate (Patent #6,678,387) One Side Machined Insert Blocks with Housing, VC Connection Jumper System Braided Silver Reinforced Layer Spider Integration (Pat. Pending) Injection Moulded Concealed Mount with Front/Rear Sealing 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 (Gross) External Box Dimensions Optimum Sealed Box Gross Internal Volume Net Internal Volume- N., Qtc Vented Box Volume Range (Gross) External Box Dimensions Gross Internal Volume Slot Vent Area (dimensions) Optimum Vented Box Slot Vent Length Vent Displacement Net Internal Volume (V,.)"' F, ripple, R Electra-Mechanical Parameters* Nominal Impedance Frequency Response Sensitivity (SPL@1W/1m)* D.0 Coil Resistance (Re) Inductance (Le) lkHz/20kHz Free Air Resonance (Fs) Equivalent Stiffness (Vas) Mechanical Q (Qms) Electrical Q (Qes) Total Q (Qts) Linear Excursion [(Hvc-Hag)/2)1, 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 218 mm (8.6") 231 mm (9.1") 0.062 ft3 0.162 le 0.205 ft3 SN/BP 0.5-1.0 ft3 12.5" x 12.5" x 11" 0.65 ft3 0.49 ft3 36 Hz, 0.84 0.8-1.5 ft3 12.5" x 14.5" x 16.5" 1.25 ft3 11 in2 (11"x 1") 22 in. 0.25 ft3 0.85 le 27Hz, 5.2dB, 32Hz 40+4O 24 - 200Hz 81 dB 3.6D+3.6O 2.32mH / 1.34mH 29Hz 17L (0.6 ft3) 9.72 0.67 0.63 19.1 mm 22 mm 75 mm 10 mm 48.1 mm 360 cm2 75mm (3") 124 oz 219 mm (8.6") 277 mm (11.9") 0.079 ft3 0.194 ft3 0.254 ft3 SN/BP 0.65-1.25 ft3 14.5" x 14.5" x 11" 0.9 ft3 0.71 ft3 36 Hz, 0.92 1.0-2.0 ft3 14.5" x 16.5" x 17.5" 1.8 ft3 19.5 in2 (13" x 1.5") 27 in. 0.46 ft3 1.15 ft3 27Hz. 5.8d6, 32Hz 4O+4.O 23 - 200Hz 83 dB 3.6O+3.6O 2.29mH / 1.33mH 28Hz 32L (1.1 It3) 8.67 0.69 0.64 19.1 mm 22 mm 75mm 10 mm 48.1 mm 529 cm2 75 mm (3") 130 oz Note: All specifications are subject to change without notice # All Thiele-Small 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. *** Includes all internal driver and vent displacement, based upon 3/4" (19mm) MDF construction and standard front mounting.