Alpine SWR-1241D User Manual
yiiWILPINE
TYPE-R SUBWOOFER
APPLICATION GUIDE
GUIDE D’ APPLICATION
SWR-1521D
15 Inch Subwoofer for Sealed or Vented Enclosure (2 Q) +(2 Q)
Haut-parleur de sous-graves de 15 pouces (38 cm)
pour boîtier étanche (2 Q) + (2 Q)
SWR-1541D
15 Inch Subwoofer for Sealed or Vented Enclosure (4 Q) +(4 Q)
Haut-parleur de sous-graves de 15 pouces (38 cm)
pour boîtier étanche (4 Q) + (4 Q)
SWR-1221D
12 Inch Subwoofer for Sealed or Vented Enclosure (2 Q) +(2 Q)
Haut-parleur de sous-graves de 12 pouces (30 cm)
pour boîtier étanche (2 Q) + (2 Q)
SWR-1241D
12 Inch Subwoofer for Sealed or Vented Enclosure (4 Q) +(4 Q)
Haut-parleur de sous-graves de 12 pouces (30 cm)
pour boîtier étanche (4 Q) + (4 Q)
SWR-1021D
10 Inch Subwoofer for Sealed or Vented Enclosure (2 Q) +(2 Q)
Haut-parleur de sous-graves de 10 pouces (25 cm)
pour boîtier étanche (2 Q) + (2 Q)
SWR-1041D
10 Inch Subwoofer for Sealed or Vented Enclosure (4 Q) +(4 Q)
Haut-parleur de sous-graves de 10 pouces (25 cm)
pour boîtier étanche (4 Q) + (4 Q)
SPECIFICATIONS
Model SWR-1521D SWR-1541D SWR-1221D SWR-1241D SWR-1021D SWR-1041D
Size
Impedance
Power Handling (RMS/Peak)
Frequency Response Fs~1kHz
Sensitivity* 89dB
D.C. Coil Resistance (Re)
Inductance (Le) 1kHz/20kHz 3.72mH/1.15mH 6.20mH/1.86mH 2.41mH/0.84mH 3.85mH/1.34mH 2.67mH/0.88mH 3.92mH/1.39mH
Free Air Resonance (Fs) 23Hz 24Hz 27Hz 28Hz 29Hz 30Hz
Equivalent Stiffness (Vas) 98L
Qms/Qes/Qts 9.84/0.40/0.38 9.68/0.50/0.48 8.68/0.40/0.38 8.31/0.45/0.43 8.93/0.40/0.38
X max / X peak 16.5mm/33mm 14.5mm/29mm 13.35mm/26.7mm
Mechanical Excursion (P-P) 68mm 68mm 55mm 55mm 55mm 55mm
Gap/Coil Height (Hag/Hvc) 15mm/48mm 15mm/44mm 10mm/36.7mm 10mm/37.74mm 10mm/36.7mm 10mm/37.74mm
Cone Area (Sd) 754.77 cm* 754.77 cm*
Diaphragm Material
Spider Material Nomex Nomex Nomex Nomex Nomex Nomex
Magnet Weight 129.60Z 129.60Z 89.40Z 89.40Z 64oz 64oz
Voice Coil Diameter
Displacement (front mount)**
Displacement (rear mount) 0.322 fl^3
Added Volume (reverse mount)**
Recommended Sealed Box Volume
* This commonly misunderstood specification should not be used as a reference for subwoofer output capability.
** Based upon 3/4" (~20mm) baffle thickness, with opening cut to gasket inner diameter
Notes: Thiel-Small parameters were measured and averaged after break-in.
Various measurement techniques may produce different but equally valid results.
All specifications are subject to change without notice
15*
2Q+2Q 4fi+4fi 2fi+2fi 4fi+4fi 2fi+2fi 4fi+4fi
500W/1500W
1.8 fi + 1.8Q 4.0 fi +4.0fi 1.8 fi + 1.8fi 3.6 fi +3.6 fi 1.8 fi + 1.8fi 3.6 fi +3.6fi
Kevlar Reinforced
Pulp
65mm
0.249 ft^3 0.249 0.128 ft^'O 0.128 ft''3 0.092 ft'^3
0.162 «^^3 0.162 ft''3 0.073 ft''3 0.073 ft'^3 0.047 ft^3 0.047 r3
1.3-2.5 ft''3
15" 12* 12"
500W/1500W
Fs-lkHz
89dB
98L
Kevlar Reinforced
Pulp
65mm
0.322 ft''3
1.3-2.5 ft''3
300W/1000W
Fs~1kHz
87dB
58L
467.59 cm*
Kevlar Reinforced
Pulp
50mm
0.163 ft^'O 0.163 ft''3 0.115ft''3 0.115ft''3
0.7-1.0f^3
10*
300W/1000W
Fs~1kHz
87dB
58L
13.87mm/27.74mm
467.59 cm* 320.47 cm* 320.47 cm*
Kevlar Reinforced
Pulp
50mm
0.7-1.Of'^3
300W/1000W
Fs-lkHz
85dB
29L
13.35mm/26.7mm
Kevlar Reinforced
Pulp
50mm
0.5-0.8 f''3
300W/1000W
8.76/0.43/0.41
13.87mm/27.74mm
Kevlar Reinforced
0.092 ft^3
0.5-0.8 f'^O
10"
Fs-lkHz
85dB
29L
Pulp
50mm
• SPECIFICATIONS
Model SWR-1521D SWR-1541D SWR-1221D SWR-1241D SWR-1021D SWR-1041D
Dimensions
Impedance
Puissance (RMS/Peak) 500W/1500W
Réponse en fréquence Fs-lkHz Fs-lkHz Fs-lkHz Fs-lkHz Fs-lkHz Fs-lkHz
Sensibilité 89dB 89dB 87dB 87dB 85dB 85dB
Résistance en continu (Re)
Inductance (Le) 1kHz/20kHz
Fréquence de résonnance (Fs) 23Hz
Raideur equivalente (Vas) 98L
Qms/Qes/Qts 9.84/0.40/0.38 9.68/0.50/0.48 8.68/0.40/0.38 8.31/0.45/0.43 8.93/0.40/0.38 8.76/0.43/0.41
X max / X crête 16.5mm/33mm 14.5mm/29mm 13.35mm/26.7mm
Excursion mécanique (P-P) 68mm 68mm 55mm 55mm 55mm 55mm
Largeur Entrefer/Bobime (Hag/Hvc)
Surface de cône (Sd) 754.77 cm*
Membrane Kevlar renforcé Kevlar renforcé Kevlar renforcé Kevlar renforcé Kevlar renforcé Kevlar renforcé
Suspension Nomex Nomex Nomex Nomex Nomex Nomex
Poids de l'aimant 129.60Z 129.60Z 89.40Z 89.40Z 64oz 64oz
Diamètre de bobine 65mm 65mm 50mm 50mm 50mm 50mm
Displacement (en avant)
Displacement (en arrière)
Volume en plus (en renvèrse)
Volume de charge recommandé 1.3-2.5 ft^3 1.3-2.5 ft'^3 0.7-1.0f^3 0.7-1.0P3 0.5-0.8 f'^3 0.5-0.8 f'^O
15*
2fi+2fi 4fi+4fi 2fi+2fi 4fi+4fi 2fi+2fi 4fi+4fi
1.8 fi + 1.8fi 4.0 fi +4.0fi 1.8 fi + 1.8fi 3.6 fi +3.6 fi 1.8 fi + 1.8fi 3.6 fi +3.6fi
3.72mH/1.15mH
15mm/48mm
0.249 ft^'O
0.322 «^^3
0.162 ft^3 0.162 «-^3 0.073 «^^3 0.073 ft''3 0.047 ft^3
15"
500W/1500W
6.20mH/1.86mH
24Hz
98L
15mm/44mm
754.77 cm*
0.249 n'‘Z
0.322 fi'^Z
12*
300W/1000W
2.41mH/0.84mH
27Hz
58L
10mm/36.7mm
467.59 cm* 467.59 cm* 320.47 cm*
0.128 ft'^O
0.163 ft^3 0.163 ft'^O 0.115ft^3 0.115ft''3
12"
300W/1000W
3.85mH/1.34mH
28Hz
58L
13.87mm/27.74mm
10mm/37.74mm
0.128 ft''3
10*
300W/1000W
2.67mH/0.88mH
29Hz
29L
13.35mm/26.7mm
10mm/36.7mm
0.092 ft'^3
300W/1000W
3.92mH/1.39mH
13.87mm/27.74mm
10mm/37.74mm
320.47 cm*
0.092 ft^'O
0.047 ft^3
10"
30Hz
29L
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