Alpine SWR-1023D - Type-R Subwoofer Detailed Specifications; Features, Enclosure, and Electro-Mechanical Parameters

Features
Size
Power Handling (RMS/peak)
Power Range (RMS)
Frequency Response (Hz)
Diaphragm Material
Design
Surround Material
Design
Spider
Material
Design
Voice Coil Material
Design
Motor Structure Pole Geometry
Configuration
Magnet
Material
Configuration
Frame Material
Design
Terminals
Layout
Design
Tinsel Leads
Design
Gasket Design
Enclosure Information
Mounting Depth
Mounting Diameter - Front Mount
Displacement - Front Mount**
Subwoofer Features and Specifications
Added Volume - Reverse Mount (magnet out)*’
Recommended Enclosure Alignments
Sealed Box Volume Range (Gross)
Optimum Sealed Box
External Box Dimensions
Gross Internal Volume
Net Internal Volume*’
F.Qtc
Vented Box Volume Range (Gross)
Optimum Vented Box
External Box Dimensions
Gross Internal Volume
Vent Area (dimensions)
Vent Length
Vent Displacement
Net Internal Volume (V b )* *’
F 3) ripple, F b
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
Type-R
SWR-823D
SWR-843D
SWR-1023D SWR-1043D SWR-1223D SWR-1243D
8" 8" 10" 10" 12" 12"
350W/1000W 350W/1000W 600W/1800W 600W/1800W 600W/1800W 600W/1800W
150W-350W
150W-350W
300W-600W 300W-600W 300W-600W 300W-600W
28Hz-200Hz
28Hz-200Hz
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 Patents #7,634,101; #7,272,238; other Patents Pending)
High-Power Strontium Ferrite
6-Piece (8") / 10-Piece (10712") Radially Segmented, Double Stacked
Cast Aluminum
Single-Piece Casting with Airflow Management System (US Patent #6,678,837; #7,684,585; other Patents Pending)
One Sided
Heavy Duty 8ga. Push with Housing, Banana Sockets for VC Configuration Jumpers
Reinforced Layer Spider Integration (US Patent #6,810,988)
Concealed Mount Gasket System and Integrated Grill Ready (US Patent #7,760,900)
115 mm (4.525")
115 mm (4.525") 149 mm (5.875") 149 mm (5.875")
162 mm (6.375")
162 mm (6.375")
176 mm (6.93")
176 mm (6.93")
231 mm (9.1") 231 mm (9.1")
275 mm (10.9")
275 mm (10.9")
0.050 ft 3
0.050 ft 3
0.080 ft 3 0.080 ft 3
0.100 ft 3
0.100 ft 3
0.035 ft 3
0.035 ft 3 0.055 ft 3 0.055 ft 3
0.090 ft 3
0.090 ft 3
Sealed, Vented, Bandpass, Infinite Baffle Sealed, Vented, Bandpass
0.15-0.50 ft 3
0.15-0.50 ft 3
0.5-1.Oft 3
0.5-1.0 ft 3
0.65-1.25 ft 3 0.65-1.25 ft 3
13" x 13" x 5.5" 13" x 13" x 5.5"
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"
0.30 ft 3
0.30 ft 3
0.60 ft 3 0.60 ft 3 0.90 ft 3 0.90 ft 3
0.25 ft 3 0.25 ft 3
0.50 ft 3 0.50 ft 3 0.75 ft 3 0.75 ft 3
53 Hz, 0.80
53 Hz, 0.80
43 Hz, 0.90 46 Hz, 0.90 44 Hz, 0.90 43 Hz, 0.90
0.25-0.60 ft 3
0.25-0.60 ft 3
0.8-1.5 ft 3 0.8-1.5 ft 3
1.0-2.0 ft 3 1.0-2.Oft 3
11" x 8.5" x 20" 11" x 8.5" x 20"
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"
0.70 ft 3
0.70 ft 3
1.4 ft 3 1.4 ft 3 1.9 ft 3 1.9 ft 3
5.25 in 2 (7" x 0.75”)
5.25 in 2 (7" x 0.75")
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")
15.5" 15.5"
18.5" 18.5"
22" 22"
0.10 ft 3 0.10 ft 3
0.24 ft 3 0.24 ft 3
0.29 ft 3
0.29 ft 3
0.55 ft 3 0.55 ft 3 1.1 ft 3 1.1 ft 3 1.5 ft 3 1.5 ft 3
31 Hz, 2dB, 36Hz
31 Hz, 2dB, 36Hz
26Hz,4.2dB,35Hz 28Hz,4.5dB,35Hz 27Hz,4.2dB,33Hz 27Hz,3.9dB,33Hz
20+20 40+40 20+20 40+40 20+20 40+40
28 - 200Hz 28 - 200Hz 26 - 200Hz 26 - 200Hz
24 - 200Hz 24 - 200Hz
83.5dB 83.5dB
83dB
83d B 85dB
85dB
1.850+1.850 3.70+3.70
1.850+1.850 3.70+3.70 1.850+1.850 3.70+3.70
0.87mH/0.30mH 1.23mH/0.35mH
2.39mH/1.02mH 3.79mH/1.93mH 2.41mH/1.02mH 3.85mH/1.92mH
38Hz 40Hz 29Hz 31 Hz 28Hz 31 Hz
12L (0.42 ft 3 ) 12L (0.42 ft 3 ) 26L (0.92 ft 3 ) 21L (0.75 ft 3 ) 43L (1.5 ft 3 ) 38L (1.5 ft 3 )
7.8
7.5
8.7 7.9 8.5 7.9
0.55
0.60
0.53 0.57 0.50 0.57
0.50
0.55
0.50 0.53 0.47 0.53
14 mm
14 mm 20 mm 20 mm
20 mm
20 mm
52 mm
52 mm
70mm 70mm 72mm 72mm
10 mm
10 mm
10 mm 10 mm 10 mm 10 mm
29 mm
29 mm
44mm 44mm 44mm 44mm
201 cm 2
201 cm 2
332 cm 2 332 cm 2 480 cm 2 480 cm 2
40 mm (1.6")
40 mm (1.6")
65 mm (2.6") 65 mm (2.6") 65 mm (2.6") 65 mm (2.6")
52 oz
52 oz
128 oz 128 oz
144 oz 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