Alpine SWE-1244E [2/12] Subwoofer features and specifications
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Alpine SWE-1244E [2/12] Subwoofer features and specifications

Alpine SWE-1244E [2/12] Subwoofer features and specifications
SWE-1044E SWE-1244E
Features
Size 10" 12"
Power Handling (RMS/peak) 150W/500W 200W/650W
Power Range (RMS) 50W-150W 50W-200W
Frequency Response 33Hz-800Hz 30Hz-500Hz
Diaphragm Material
Design
Surround Material
Design
Spider Material
Design
Voice Coil Material
Design
Motor Structure Pole Geometry
Configuration
Magnet
Frame Material
Design
Terminals
Layout
Design
Tinsel Leads Design
Gasket Design
Enclosure Information
Mounting Depth 115 mm (4.6") 132 mm (5.2")
230 mm (9.1") 281 mm (11.1")
1.1 L (0.039 ft³) 1.6 L (0.056 ft³)
1.9 L (0.067 ft³) 2.8 L (0.099 ft³)
1.5 L (0.053 ft³) 2.1 L (0.074 ft³)
Recommended Box Types (S)Sealed/(V)Vented/(BP)Bandpass
Sealed Box Volume Range 20 - 100 L (0.71 - 3.53 ft³) 35 - 150 L (1.24 - 5.30 ft³)
Optimum Sealed Box Volume 35 L (1.24 ft³) 65 L (2.30 ft³)
Vented Box Volume Range 35 - 80 L (1.24 - 2.82 ft³) 50 - 100 L (1.77 - 3.53 ft³)
Optimum Vented Box Volume 50 L (1.77 ft³) 75 L (2.65 ft³)
Vent Diameter/Length 10 / 22 cm (3.9 / 8.7") 12 / 28 cm (4.7 / 11.0")
Electro-Mechanical Parameters
#
Nominal Impedance 4 Ω 4 Ω
Frequency Response 33 - 800 Hz 30 - 500 Hz
Sensitivity (SPL@1W/1m)* 87.1 dB 88.7 dB
D.C Coil Resistance (Re) 3.3 Ω 3.3 Ω
Inductance (Le) 1kHz 0.60 mH 0.60 mH
Free Air Resonance (Fs) 34 Hz 31 Hz
Equivalent Stiffness (Vas) 49 L (1.73 ft³) 102,5 L (3.62 ft³)
Mechanical Q (Qms) 2.9 3.3
Electrical Q (Qes) 0.60 0.62
Total Q (Qts) 0.49 0.53
Linear Excursion [(Hvc-Hag)/2)], One-Way (Xmax) 8.5 mm 7.5 mm
Magnetic Linear Excursion, One-Way (Xmag) 17 mm 18 mm
Mechanical Excursion, Peak-to-Peak 20 mm 21 mm
Gap Height (Hag) 8 mm 10 mm
Coil Height (Hvc) 24.5 mm 24.5 mm
Cone Area (Sd) 480 cm² (74.4 in²) 529 cm² (82.0 in²)
Voice Coil Diameter 50 mm (2") 50 mm (2")
Magnet Weight 44 oz (1.23 kg) 48 oz (1.36 Kg)
Note: All specifications are subject to change without notice
# All T/S parameters measured/calculated 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
S/V/BP
Dual Layer
One Side
Gun-Metal Finish 5-Way Binding Posts with Lock-Nuts
Woven Ultrafine Liz Wire, Black Silicone Insulated
Drenched Long-Fibre Pulp, Polypropylene Reinforced
2 Piece Parabolic
Butyl Rubber
High Excursion, Half Roll
Carbonized Coated Cotton
Single High Linear, Back Vented
High Temp Copper Wire, ASV Former
Subwoofer Features and Specifications
Mounting Diameter - Front Mount
Added Volume - Reverse Mount**
Displacement - Front Mounted**
Displacement - Rear Mounted**
Optimized Conventional
Extended Pole with Laminar Flow Vent
Heavy Gauge Steel, Titanium Powder Coated
6 Leg with Voice Coil Venting
Double Stack Y-30 HQ-Strontium
Concealed Mount Polymer Gasket System

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