DS18 EXL-X15.4D 15-Inch Subwoofer Owner’s Manual
- June 5, 2024
- DS18
Table of Contents
DS18 EXL-X15.4D 15-Inch Subwoofer
DIMENSIONS
SPECIFICATIONS
- Nominal Diameter………………………………………………………………………………………………………………. 15″ / 381 mm
- Nominal Impedance………………………………………………………………………………………………………………….4+4 OHMS
- RMS Power Handling……………………………………………………………………………………………………………… 1250 Watts
- MAX Power Handling……………………………………………………………………………………………………………… 2500 Watts
- Sensitivity (1w/1m) ………………………………………………………………………………………………………………………….92 dB
- Frequency Response …………………………………………………………………………………………………………… 25Hz-1.5KHz
- Respuesta de FrecuenciaRecommended Lo Pass Crossover ………………………………………………………………………………………………….120 Hz
MOTOR
- Voice Coil Diameter………………………………………………………………………………………………………….2.57” / 65.2 mm
- Voice Coil Former Material ……………………………………………………………………………………………… Black Aluminum
- Winding Material……………………………………………………………………………………………………………………………………SV
- Cone Material………………………………………………………………………………………… Non-Pressed Paper + Glass Fiber
- Dust Cap Material………………………………………………………………………………………………………………………………… PPI
- Surround Material……………………………………………………………………………………………………………………………. Foam
- Basket Material …………………………………………………………………………………………………………………………Aluminum
- Basket Color……………………………………………………………………………………………………………………………..Glossy Red
- Magnet Material…………………………………………………………………………………………………………………………….. Ferrite
- Magnet Weight………………………………………………………………………………………………………………………….2 x 105 O
- Displacement Volume ……………………………………………………………………………………………………… 6.2L / 0.218 ft3
THIELE & SMALL PARAMETERS
- Equivalent Volume…………………………………………………………………Vas …………………………………. 25.54L / 0.9 ft3
- Excursion (one way)……………………………………………………………….Xmax ……………………………………………..30 mm
- Free Air Resonance ………………………………………………………………..Fs ……………………………………………………52 Hz
- Mechanical Factor………………………………………………………………….Qms ………………………………………………..6.214
- Electrical Factor……………………………………………………………………..Qes ………………………………………………….0.572
- Total Factor……………………………………………………………………………Qts…………………………………………………..0.495
- Moving Mass …………………………………………………………………………Mms………………………………………… 359.128 g
- Compliance…………………………………………………………………………….Cms ………………………………………….0.026m/N
- Bl Factor…………………………………………………………………………………Bl ……………………………………………………15.92
- Voice Coil Inductance…………………………………………………………….. Le……………………………………………….. 6.72 mH
- Diaphragm Area……………………………………………………………………..Sd ………………………………………….804.25 cm2
- DC Resistance ………………………………………………………………………..Re …………………………………………3.6+3.6 ohm
- Efficiency Bandwidth Product………………………………………………..EBP…………………………………………………… 90.9
RECOMMENDED ENCLOSURES
- Sealed Internal Volume……………………………………………………………………………………………….Not Recommended
- Ported Internal Volume ………………………………………………………………………………………………………….48L / 1.7ft3
- Tamaño del Puerto *Cuadrado (WxHxL)…………………………………………………………. 50.8 mm x 381 mm x 426.9 mm
- Port Tunning Frequency…………………………………………………………Fb…………………………………………………….45 Hz
- Ported Box Output Response…………………………………………………F3 ……………………………………………………39 Hz
MEASUREMENT
- Overall Diameter ………………………………………………………………………………………………………………15.6” / 396 mm
- Overall Depth…………………………………………………………………………………………………………………9.15” / 232.5 mm
- Front Mount Baffle Cutout. ………………………………………………………………………………………………… 14” / 355 mm
- Mounting Depth …………………………………………………………………………………………………………………….8” / 205 mm
- Motor Diameter………………………………………………………………………………………………………………..7.72″ / 196 mm
IT IS NOT RECOMMENDED TO USE SEALED BOX
RECOMMENDED BOX DIMENSION
SINGLE SUBWOOFER PORTED BOX
PARAMETERS
- Box External Dimensions (WxHxD): 25” x 16.5 x 12.5“ / 635 mm x 419 mm x 317.5 mm
- Material Thickness: 0.75” / 19mm
- Net Internal Volume: 1.70 ft3 / 48.1 L
- Tuning Frequency: 45 Hz
- Port Area: 30 Inch2 / 193.56 CM2
- Port Intel: 2” x 15” / 50.8 x 381 mm
- Port Length: 16.81” / 426.9 mm
WOODCUTS
- Top – Bottom: 25” x 12.5” / 635 x 317.5 mm x2
- Front: 22.25” x 15”/ 565.2 x 381 mm x1
- Rear: 25” x 15” / 635 x 381 mm x1
- Left: 11” x 15”/ 279.5 x 381 mm x1
- Right: 11.75” x 15” / 298.5 x 381 mm x1
- Port: 9” x 15” / 228.7 x 381 mm x1
- Port: 4.31” x 15” / 109.4 x 381 mm x1
DOUBLE SUBWOOFER PORTED BOX
PARAMETERS
- Box External Dimensions (WxHxD): 40” x 16.50 x 14.17“ / 1016 mm x 419 mm x 359.8
- Material Thickness: 0.75” / 19mm
- Net Internal Volume: 3.5 ft3 / 99.1 L
- Volumen Interno Neto
- Tuning Frequency: 45 Hz
- Port Area: 50 inch2 / 322.6 CM2
- Port Intel: 3.33” x 15” / 84.7 mm x 381 mm
- Port Length: 10.38” / 263.6 mm
WOODCUTS
- Top – Bottom: 40” x 14.17” / 1016 x 359.8 mm 2
- Front: 35.92” x 15”/ 912.3 x 381 mm 1
- Rear: 40” x 15” / 1016 x 381 mm 1
- Left: 12.67” x 15”/ 321.8 x 381 mm 1
- Right: 13.42” x 15” / 340.8 x 381 mm 1
- Port: 8.59” x 15” / 218.1 x 381 mm 1
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References
Read User Manual Online (PDF format)
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