Boston Acoustics Competitor Guide

Specifications subject to change without notice. Boston and Boston Acoustics ar
Technical Information
Theile/Small Parameters: 1500(2) 1500(4) 1200(2) 1200(4) 1000(2) 1000(4) 800(2) 800(4)
Resonant Frequency (Fs) 34Hz 35Hz 30Hz 31Hz 33Hz 34Hz 35Hz 36Hz Equivalent Volume (Vas) 155 liters 155 liters 84 liters 84 liters 35 liters 35 liters 21 liters 21 liters
5.47ft
3
5.47ft
3
2.97ft
3
2.97ft
3
1.24ft
3
1.24ft
3
0.74ft
3
0.74ft
3
Total Q (Qts) 0.72 0.85 0.45 0.57 0.44 0.53 0.33 0.40 Electrical Q (Qes) 0.81 0.97 0.47 0.61 0.47 0.57 0.35 0.42 Mechanical Q (Qms) 8.3 8.3 9.8 9.6 8.0 7.8 9.0 9.0 Compliance (Cms) 142µm/N 142µm/N 230µm/N 230µm/N 255µm/N 255µm/N 330µm/N 330µm/N Moving Mass (Mms) 148g 145g 121g 117g 90g 86g 63g 60g Cone Area (Sd) 876cm
2
876cm
2
510cm
2
510cm
2
315cm
2
315cm
2
215cm
2
215cm
2
Voice Coil Diameter 51mm 51mm 51mm 51mm 51mm 51mm 51mm 51mm Voice Coil DCR (Re) 1.6 3.2 1.6 3.1 1.6 3.1 1.6 3.1 Voice Coil Inductance @ 1kHz (Le) 0.45mH 0.62mH 0.40mH 0.55mH 0.40mH 0.55mH 0.40mH 0.55mH Linear Excursion—One Way (Xmax) 5.5mm 5.5mm 8.5mm 8.5mm 8.5mm 8.5mm 8.5mm 8.5mm Peak-to-Peak Max. Excursion 40mm 40mm 40mm 40mm 35mm 35mm 35mm 35mm Reference Efficiency (ηo) 0.73 0.64 0.46 0.39 0.26 0.25 0.25 0.22
Specification: 1500 1200 1000 800
Nominal Size 15" (38cm) 12" (30cm) 10" (25cm) 8" (20cm) Mounting Cutout Diameter 13-7/8" (353mm) 11" (280mm) 9-3/16" (234mm) 7-1/8" (181mm) Mounting Depth—Front Mounted 7-3/4" (197mm) 6-5/8" (169mm) 6" (153mm) 5-3/8" (137mm) Mounting Depth—Rear Mounted 8-1/4" (210mm) 7-1/8 (181mm) 6-5/8" (169mm) 5-7/8" (150mm) Recommended Amplifier Power 50–1000 watts 50–1000 watts 50–850 watts 50–500 watts Nominal Impedance 2/4 2/4 2/4 2/4 Recommended Enclosure Sizes:
Gross Internal Volume 1.5ft3 (43 liters) 1.0ft3 (28 liters) 0.5ft3 (14 liters) 0.3ft3 (8.5 liters)
-3dB Down Point (In-car) 20Hz 20Hz 20Hz 20Hz System "Q" (2/4) 1.36/1.56 1.03/1.12 0.92/0.98 0.69/0.73
Recommended Enclosure Dimensions:
Height (Internal) 10.0" (26cm) 10.5" (27cm) 7.5" (19cm) 6.5" (16cm) Width (Internal) 16.0" (41cm) 13.0" (33cm) 11.0" (28cm) 9.0" (23cm) Depth (Internal) 16.0" (41cm) 13.0" (33cm) 11.0" (28cm) 9.0" (23cm)
We provide Theile/Small Parameters for those interested in studying subwoofers further. We do not recommend you use computer software to determine enclosure size or type. While high-end enclosure design software may be useful for preliminary engineering purposes, it cannot completely predict performance in a given vehicle and should not replace a real enclosure that has been tested and listened to in a car. The best a computer screen can do is give you a visual representation of what something sounds like. Please use our recommended enclosur es for optimum performance.
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