Alpine SWR-1243D Owner's Manual - Page 4

Subwoofer Features and, Specifications - box

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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 Magnet Frame Terminals Tinsel Leads Gasket Material Design Material Design Material Design Material Design Pole Geometry Configuration Material Configuration Material Design Layout Design Design Design SWR-1023D Type-R SWR-1043D SWR-1223D SWR-1243D 10" 10" 12" 12" 600W/1800W 600W/1800W 600W/1800W 600W/1800W 300W-600W 300W-600W 300W-600W 300W-600W 26Hz-200Hz 26Hz-200Hz 24Hz-200Hz 24Hz-200Hz Kevlar-Reinforced Pulp Fiber 2-Piece Structural Parabolic Injection Molded Santoprene ® High Amplitude Multi-Roll (Patent Pending) Nomex® Progressive 180°C High Temp Wire on Spiral Cut Aluminum Former 4-Layer Dual Voice Coil Compound Radius Curve (US Patent #6,639,993) Integrated Shorting Sleeve with Radial Vented VC Heat Transfer (US Patent # 7,634,101) High-Power Strontium Ferrite 10-Piece Radially Segmented, Double Stacked Cast Aluminum Single-Piece Casting with Airflow Management System (Patent Pending) One Sided Heavy Duty 8ga. Push with Housing, Banana Plug Jumper Reinforced Layer Spider Integration (US Patent #6,810,988) Concealed Mount Gasket System and Integrated Grill Ready (Patent Pending) Enclosure Information Mounting Depth Mounting Diameter - Front Mount Displacement - Front Mount** Added Volume - Reverse Mount (magnet out)** Recommended Enclosure Alignments Sealed Box Volume Range (Gross) External Box Dimensions Optimum Sealed Box Gross Internal Volume Net Internal Volume** F3, Qtc Vented Box Volume Range (Gross) External Box Dimensions Gross Internal Volume Vent Area (dimensions) Optimum Vented Box Vent Length Vent Displacement Net Internal Volume (Vb)*** F3, ripple, Fb Electro-Mechanical Parameters # Nominal Impedance Frequency Response Sensitivity (SPL@1W/1m)* D.C Coil Resistance (Re) Inductance (Le) 1kHz/20kHz Free Air Resonance (Fs) Equivalent Stiffness (Vas) Mechanical Q (Qms) Electrical Q (Qes) Total Q (Qts) Xmax 10 (One-Way Xmax @ 10% Distortion) Mechanical Excursion, Peak-to-Peak Gap Height (Hag) Coil Height (Hvc) Cone Area (Sd) Voice Coil Diameter Magnet Weight 149 mm (5.875") 231 mm (9.1") 0.080 ft3 0.055 ft3 0.5-1.0 ft3 12.5" x 12.5" x 10" 0.60 ft3 0.50 ft3 43 Hz, 0.90 0.8-1.5 ft3 12.5" x 12.5" x 20.5" 1.4 ft3 11 in2 (11" x 1") 18.5" 0.24 ft3 1.1 ft3 26Hz, 4.2dB, 35Hz 2Ω+2Ω 26 - 200Hz 83dB 1.85Ω+1.85Ω 2.39mH/1.02mH 29Hz 26L (0.92 ft3) 8.7 0.53 0.50 20 mm 70mm 10 mm 44mm 332 cm2 65 mm (2.6") 128 oz 149 mm (5.875") 162 mm (6.375") 231 mm (9.1") 275 mm (10.9") 0.080 ft3 0.055 ft3 0.100 ft3 0.090 ft3 Sealed, Vented, Bandpass 0.5-1.0 ft3 0.65-1.25 ft3 12.5" x 12.5" x 10" 14.5" x 14.5" x 10.5" 0.60 ft3 0.50 ft3 0.90 ft3 0.75 ft3 46 Hz, 0.90 44 Hz, 0.90 0.8-1.5 ft3 1.0-2.0 ft3 12.5" x 12.5" x 20.5" 13.5" x 13.5" x 24" 1.4 ft3 11 in2 (11" x 1") 1.9 ft3 15 in2 (12" x 1.25") 18.5" 0.24 ft3 1.1 ft3 22" 0.29 ft3 1.5 ft3 28Hz, 4.5dB, 35Hz 27Hz, 4.2dB, 33Hz 4Ω+4Ω 26 - 200Hz 83dB 3.7Ω+3.7Ω 3.79mH/1.93mH 31Hz 21L (0.75 ft3) 7.9 0.57 0.53 20 mm 70mm 10 mm 44mm 332 cm2 65 mm (2.6") 128 oz 2Ω+2Ω 24 - 200Hz 85dB 1.85Ω+1.85Ω 2.41mH/1.02mH 28Hz 43L (1.5 ft3) 8.5 0.50 0.47 20 mm 72mm 10 mm 44mm 480 cm2 65 mm (2.6") 144 oz 162 mm (6.375") 275 mm (10.9") 0.100 ft3 0.090 ft3 0.65-1.25 ft3 14.5" x 14.5" x 10.5" 0.90 ft3 0.75 ft3 43 Hz, 0.90 1.0-2.0 ft3 13.5" x 13.5" x 24" 1.9 ft3 15 in2 (12" x 1.25") 22" 0.29 ft3 1.5 ft3 27Hz, 3.9dB, 33Hz 4Ω+4Ω 24 - 200Hz 85dB 3.7Ω+3.7Ω 3.85mH/1.92mH 31Hz 38L (1.5 ft3 ) 7.9 0.57 0.53 20 mm 72mm 10 mm 44mm 480 cm2 65 mm (2.6") 144 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

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**
Based upon 3/4" (19mm) baffle thickness, with opening cut approximately to gasket inner diameter
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.
SWR-1023D
SWR-1043D
SWR-1223D
SWR-1243D
Features
Size
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Design
Motor Structure
Pole Geometry
Configuration
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Configuration
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Design
Terminals
Layout
Design
Tinsel Leads
Design
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Enclosure Information
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231 mm (9.1")
231 mm (9.1")
275 mm (10.9")
275 mm (10.9")
0.080 ft
3
0.080 ft
3
0.100 ft
3
0.100 ft
3
0.055 ft
3
0.055 ft
3
0.090 ft
3
0.090 ft
3
Recommended Enclosure Alignments
Sealed Box Volume Range (Gross)
0.5-1.0 ft
3
0.5-1.0 ft
3
0.65-1.25 ft
3
0.65-1.25 ft
3
External Box Dimensions
12.5" x 12.5" x 10"
12.5" x 12.5" x 10"
14.5" x 14.5" x 10.5"
14.5" x 14.5" x 10.5"
Gross Internal Volume
0.60 ft
3
0.60 ft
3
0.90 ft
3
0.90 ft
3
Net Internal Volume**
0.50 ft
3
0.50 ft
3
0.75 ft
3
0.75 ft
3
F
3
,
Q
tc
43 Hz, 0.90
46 Hz, 0.90
44 Hz, 0.90
43 Hz, 0.90
Vented Box Volume Range (Gross)
0.8-1.5 ft
3
0.8-1.5 ft
3
1.0-2.0 ft
3
1.0-2.0 ft
3
External Box Dimensions
12.5" x 12.5" x 20.5"
12.5" x 12.5" x 20.5"
13.5" x 13.5" x 24"
13.5" x 13.5" x 24"
Gross Internal Volume
1.4 ft
3
1.4 ft
3
1.9 ft
3
1.9 ft
3
Vent Area (dimensions)
11 in
2
(11" x 1")
11 in
2
(11" x 1")
15 in
2
(12" x 1.25")
15 in
2
(12" x 1.25")
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Vent Displacement
0.24 ft
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0.24 ft
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0.29 ft
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0.29 ft
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Net Internal Volume (V
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)***
1.1 ft
3
1.1 ft
3
1.5 ft
3
1.5 ft
3
F
3
, ripple, F
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10
26Hz, 4.2dB, 35Hz
28Hz, 4.5dB, 35Hz
27Hz, 4.2dB, 33Hz
27Hz, 3.9dB, 33Hz
Electro-Mechanical Parameters
#
Nominal Impedance
2
Ω
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Ω
4
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Ω
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D.C Coil Resistance (Re)
1.85
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+1.85
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3.7
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+3.7
Ω
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+1.85
Ω
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26L
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21L
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43L (1.5 ft
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38L (1.5 ft
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Xmax
(One-Way Xmax @ 10% Distortion)
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Cone Area (Sd)
332 cm
2
332 cm
2
480 cm
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480 cm
2
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Cast Aluminum
Reinforced Layer Spider Integration
(US Patent #6,810,988)
High Amplitude Multi-Roll
(Patent Pending)
High-Power Strontium Ferrite
10-Piece Radially Segmented, Double Stacked
Subwoofer Features and
Specifications
Kevlar-Reinforced Pulp Fiber
2-Piece Structural Parabolic
Injection Molded Santoprene
®
Type-R
Optimum Sealed Box
Optimum Vented Box
Concealed Mount Gasket System and Integrated Grill Ready
(Patent Pending)
Single-Piece Casting with
Airflow Management System
(Patent Pending)
One Sided
Heavy Duty 8ga. Push with Housing, Banana Plug Jumper
4-Layer Dual
Voice Coil
Compound Radius Curve
(US Patent #6,639,993)
Integrated Shorting Sleeve with Radial Vented VC Heat Transfer
(US Patent # 7,634,101)
Nomex
®
Mounting Diameter - Front Mount
Sealed, Vented, Bandpass
Added Volume - Reverse Mount (magnet out)**
Displacement - Front Mount**
Progressive
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