Alpine SWR-1542D - User Manual

TYPE-R SUBWOOFER
HAUT-PARLEUR D'EXTREMES GRAVES TYPE-R
APPLICATION GUIDE
GUIDE D' APPLICATION
SWR-15420
15 Inch Dual Voice Coil Subwoofer (4 0 )+(4 0)
Haut-parleur d'extremes graves a double bobine 15 po (4 D )+(4 D )
SWR-15220
15 Inch Dual Voice Coil Subwoofer (2 D )+(2 D)
Haut-parleur d'extremes graves a double bobine 15 po (2 D )+(2 D )
SWR-12420
12 Inch Dual Voice Coil Subwoofer (4 0 )+(4 0)
Haut-parleur d'extremes graves a double bobine 12 po (4 D )+(4 D)
SWR-12220
12 Inch Dual Voice Coil Subwoofer (2 D )+(2 D)
Haut-parleur d'extremes graves a double bobine 12 po (2 D )+(2 D)
SWR-10420
10 Inch Dual Voice Coil Subwoofer (4 D )+(4D )
Haut-parleur d'extremes graves
a double bobine 10 po (4 D )+(4 D )
SWR-10220
10 Inch Dual Voice Coil Subwoofer (2 D )+(2 D )
Haut-parleur d'extremes graves
a double bobine 10 po (2 D )+(2 D)
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Alpine SWR-1542D Specifications

General

Product type	Subwoofer driver
Subwoofer type	Passive subwoofer
DC resistance (Re)	3.75 Ω
Subwoofer peak power	2000 W
Subwoofer sensitivity	87 dB
Subwoofer frequency range	20 - 400 Hz
Sensitivity	87 dBmW
Magnet weight	4394 g
Product color	Black, Metallic
Voice coil type	Dual 4-layer
Displacement volume	775 cm³
Voice coil diameter	65 mm
Total Q-factor (Qts)	0.45
Peak excursion (Xmax)	20.5 mm
Resonance frequency (Fs)	23 Hz
Electrical Q-factor (Qes)	0.48
Mechanical Q-factor (Qms)	7.71
Effective piston area (Sd)	775 cm²
Voice coil inductance (Le)	65 mH
Volume Acoustic Compliance (VAS)	100 L
Housing material	Aluminum
Subwoofer driver diaphragm material	Kevlar

Weight and Dimensions

Depth	186 mm
Width	401 mm
Height	234 mm
Diameter	349.4 mm

Summary

Subwoofer Features and Specifications

DUAL 2Ω TYPE-R APPLICATION DIAGRAMS

Example 3 Two Amplifiers and Two Subwoofers

Dual amplifier, dual subwoofer wiring diagram for 2 Ohm models.

DUAL 4 Ω TYPE-R APPLICATION DIAGRAMS

Example 1 One Amplifier and One Subwoofer

Single amplifier, single subwoofer wiring diagram for 4 Ohm models.

Example 2 One Amplifier and One Subwoofer

Single amplifier, single subwoofer wiring diagram for 4 Ohm models.

Example 4 One Amplifier and Two Subwoofers

Single amplifier, dual subwoofer wiring diagram for 4 Ohm models.

IMPORTANT NOTICE!

Installation and Safety Guidelines

Crucial guidelines for amplifier and speaker setup to prevent damage and ensure performance.

LIMITED WARRANTY

WHAT IS NOT COVERED

HOW TO OBTAIN WARRANTY SERVICE

Provides steps and requirements for claiming warranty service.