Alpine SWR-823D [4/6] Electro mechanical parameter

Subwoofer Features and Specifications Type R SWR 823D SWR 1023D SWR 843D SWR 1043D SWR 1223D SWR 1243D Features 8 8 10 10 12 350W 1000W 350W 1000W 600W 1800W 600W 1800W 600W 1800W 150W 350W 300W 600W 300W 600W 300W 600W 300W 600W 26Hz 200Hz 26Hz 200Hz 24Hz 200Hz 24Hz 200Hz Size Power Handling RMS peak Power Range RMS 150W 350W Frequency Response Hz 28Hz 200Hz Diaphragm Surround Spider Voice Coil 28Hz 200Hz Kevlar Reinforced Pulp Fiber Material Design 2 Piece Structural Parabolic Material Injection Molded Santoprene Design High Amplitude Multi Roll Patent Pending Material Nomex Design Progressive Material 180 C High Temp Wire on Spiral Cut Aluminum Former 4 Layer Dual Voice Coil Design Motor Structure Pole Geometry Configuration Magnet 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 Material Configuration Frame 6 Piece 8 10 Piece 10 712 Radially Segmented Double Stacked Cast Aluminum Material Single Piece Casting with Airflow Management System US Patent 6 678 837 7 684 585 other Patents Pending Design Terminals Layout One Sided Design Heavy Duty 8ga Push with Housing Banana Sockets for VC Configuration Jumpers Tinsel Leads Design Gasket Design 12 600W 1800W Reinforced Layer Spider Integration US Patent 6 810 988 Concealed Mount Gasket System and Integrated Grill Ready US Patent 7 760 900 Enclosure Information Mounting Depth 115 mm 4 525 115 mm 4 525 Mounting Diameter Front Mount 176 mm 6 93 176 mm 6 93 149 mm 5 875 231 mm 9 1 149 mm 5 875 231 mm 9 1 162 mm 6 375 275 mm 10 9 162 mm 6 375 275 mm 10 9 Displacement Front Mount 0 050 ft3 0 050 ft3 0 080 ft3 0 080 ft3 0 100 ft3 0 100 ft3 Added Volume Reverse Mount magnet out 0 035 ft3 0 035 ft3 0 055 ft3 0 055 ft3 0 090 ft3 0 090 ft3 Sealed Vented Bandpass Infinite Baffle Recommended Enclosure Alignments 0 15 0 50 ft3 Sealed Box Volume Range Gross 0 5 1 Oft3 0 5 1 Oft3 0 65 1 25 ft3 13 x 13 x 5 5 12 5 x 12 5 x 10 12 5 x 12 5 x 10 0 30 ft3 0 30 ft3 0 60 ft3 0 60 ft3 0 90 ft3 Net Internal Volume ft3 ft3 ft3 ft3 ft3 Optimum Sealed Box F 3 Qtc Vented Box Volume Range Gross External Box Dimensions Optimum Vented Box 0 15 0 50 ft3 Gross Internal Volume External Box Dimensions 13 x 13 x 5 5 Sealed Vented Bandpass 0 25 53 Hz 0 80 0 25 53 Hz 0 80 0 50 43 Hz 0 90 0 25 0 60 ft3 0 25 0 60 ft3 0 8 1 5 ft3 11 x 8 5 x 20 11 x 8 5 x 20 12 5 x 12 5 x 20 5 Gross Internal Volume 0 70 ft3 0 70 ft3 1 4 ft3 Vent Area dimensions 5 25 in2 7 x 0 75 5 25 in2 7 x 0 75 11 in2 11 x 1 Vent Length 15 5 15 5 Vent Displacement 0 10 ft3 0 10 ft3 Net Internal Volume Vb F3 ripple Fb 0 55 ft3 31 Hz 2dB 36Hz 0 55 ft3 31 Hz 2dB 36Hz 0 50 46 Hz 0 90 0 8 1 5 ft3 12 5 x 12 5 x 20 5 1 4 ft3 11 in2 11 x 1 0 65 1 25 ft3 14 5 x 14 5 x 10 5 14 5 x 14 5 x 10 5 0 75 44 Hz 0 90 1 0 2 0 ft3 13 5 x 13 5 x 24 0 90 ft3 0 75 ft3 43 Hz 0 90 1 0 2 0 ft3 13 5 x 13 5 x 24 1 9 ft3 1 9 ft3 15 in2 12 x 1 25 15 in2 12 x 1 25 18 5 18 5 22 22 0 24 ft3 0 24 ft3 0 29 ft3 0 29 ft3 1 1 ft3 26Hz 4 2dB 35Hz 1 1 ft3 1 5 ft3 28Hz 4 5dB 35Hz 27Hz 4 2dB 33Hz 1 5 ft3 27Hz 3 9dB 33Hz Electro Mechanical Parameters Nominal Impedance Frequency Response Sensitivity SPL 1 W 1 m D C Coil Resistance Re Inductance Le 1kHz 20kHz 2Q 2Q 4Q 4Q 28 200Hz 28 200Hz 83 5dB 83 5dB 1 85Q 1 85Q 0 87mH 0 30mH 3 7Q 3 7Q 1 23mH 0 35mH 2Q 2Q 26 200Hz 83dB 4Q 4Q 2Q 2Q 4Q 4Q 26 200Hz 24 200Hz 24 200Hz 83dB 85dB 85dB 1 850 1 85Q 3 7Q 3 7Q 1 85Q 1 850 3 70 3 70 2 39mH 1 02mH 3 79mH 1 93mH 2 41mH 1 02mH 3 85mH 1 92mH Free Air Resonance Fs 38Hz 40Hz 29Hz 31 Hz 28Hz 31Hz Equivalent Stiffness Vas 12L 0 42 ft3 12L 0 42 ft3 26L 0 92 ft3 21L 0 75 ft3 43L 1 5 ft3 38L 1 5 ft3 7 8 7 5 8 7 7 9 8 5 7 9 0 55 0 60 0 53 0 57 0 50 0 57 Mechanical Q Qms Electrical Q Qes Total Q Qts 0 50 0 55 X m ax 10 One Way X max 10 Distortion 14 mm 14 mm 0 50 0 53 0 47 0 53 20 mm 20 mm 20 mm 20 mm Mechanical Excursion Peak to Peak 52 mm 52 mm 70mm 70mm 72mm 72mm Gap Height Hag 10 mm 10 mm 10 mm 10 mm 10 mm 10 mm Coil Height Hvc 29 mm 29 mm 44mm 44mm 44mm 44mm Cone Area Sd 201 cm2 201 cm2 332 cm2 332 cm2 480 cm2 480 cm2 65 mm 2 6 65 mm 2 6 65 mm 2 6 128 oz 144 oz Voice Coil Diameter Magnet Weight 40 mm 1 6 40 mm 1 6 52 oz 52 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 65 mm 2 6 128 oz 144 oz

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