Évaluations - 4, GPA: 4.3
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Photos et spécifications Alpine SWR-1021D |
Facilité d'utilisation
Coil Resistance (Re) 1.8 0 + 1.80 4.0 Q +4.0Q 1.8 Q + 1.80 3.6 0+3.60 1.8 Q + 1.8Q 3.6 0+3.60 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 98L 58 L 58L 29L 29L 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 peak 16.5mm/33mm 14.5mm/29mm 13.35mm/26.7mm 13.87mm/27.74mm 13.35mm/26.7mm 13.87mm/27.74mm 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 cm2 754.77 cm2 467.59 cm2 467.59 cm2 320.47 cm2 320.47 cm2 Diaphragm Material Kevlar Reinforced Pulp Kevlar Reinforced Pulp Kevlar Reinforced Pulp Kevlar Reinforced Pulp Kevlar Reinforced Pulp Kevlar Reinforced Pulp Spider Material Nomex Nomex Nomex Nomex Nomex Nomex Magnet Weight 129.60Z 129.60Z 89.4oz 89.4oz 64oz 64oz Voice Coil Diameter 65mm 65mm 50mm 50mm 50mm 50mm Displacement (front mount)** 0.249 ftA3 0.249 ftA3 0.128 ftA3 0.128 ftA3 0.092 ftA3 0.092 ftA3 Displacement (rear mount) 0.322 ftA3 0.322 ftA3 0.163 ftA3 0.163 ftA3 0.115 ftA3 0.115 ftA3 Added Volume (reverse mount)** 0.162 ftA3 0.162 ftA3 0.073 ftA3 0.073 ftA3 0.047 ftA3 0.047 ftA3 Recommended Sealed Box Volume 1.3-2.5 ftA3 1.3-2.5 ftA3 0.7-1.0 fA3 0.7-1.0fA3 0.5-0.8 fA3 0.5-0.8 fA3 * 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 • SPECIFICATIONS Model SWR-1521D SWR-1541D SWR-1221D SWR-1241D SWR-1021D SWR-1041D Dimensions 15" 15" 12" 12" 10" 10" Impedance 20+20 40+40 20+20 40+40 20+20 40+40 Puissance (RMS/Peak) 500W/1500W 500W/1500W 300W/1000W 300W/1000W 300W/1000W 300W/1000W Réponse en fréquence Fs~1kHz Fs~1kHz Fs~1kHz Fs~1kHz Fs~1kHz Fs~1kHz Sensibilité 89dB 89dB 87dB 87dB 85dB 85dB Résistance en continu (Re) 1.8 Q + 1.80 4.0 O + 4.00 1.8 Q + 1.80 3.6 0+3.60 1.8 O + 1.80 3.6 0+3.60 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 Fréquence de résonnance (Fs) 23Hz 24Hz 27Hz 28Hz 29Hz 30Hz Raideur équivalente (Vas) 98L 98L 58 L 58L 29L 29L 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 13.87mm/27.74mm 13.35mm/26.7mm 13.87mm/27.74mm Excursion mécanique (P-P) 68mm 68mm 55mm 55mm 55mm 55mm Largeur Entrefer/Bobime (Hag/Hvc) 15mm/48mm 15mm/44mm 10mm/36.7mm 10mm/37.74mm 10mm/36.7mm 10mm/37.74mm Surface de cône (Sd) 754.77 cm2 754.77 cm2 467.59 cm2 467.59 c...
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