DS18 EXL-X12.2D 12 SUBWOOFER Owner’s Manual

DS18 EXL-X12.2D 12 SUBWOOFER

DIMENSIONS & GRAPH

SPECIFICATIONS

• Nominal Diameter…………………………………………………………………………………………………………….12″ / 304.8 mm
• Nominal Impedance………………………………………………………………………………………………………………….2+2 OHMS
• RMS Power Handling……………………………………………………………………………………………………………… 1250 Watts
• MAX Power Handling……………………………………………………………………………………………………………… 2500 Watts
• Sensitivity (1w/1m) ………………………………………………………………………………………………………………………….88 dB
• Frequency Response …………………………………………………………………………………………………………… 30Hz-1.7KHz
• Recommended Lo Pass Crossover ………………………………………………………………………………………………….100 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 Oz
• Displacement Volume ………………………………………………………………………………………………………….3L / 0.105 ft3

THIELE & SMALL PARAMETERS

• Equivalent Volume…………………………………………………………………Vas ……………………………….. 9.31L / 0.328 ft3
• Excursion (one way)……………………………………………………………….Xmax ……………………………………………..30 mm
• Free Air Resonance ………………………………………………………………..Fs ……………………………………………………50 Hz
• Mechanical Factor………………………………………………………………….Qms ………………………………………………..2.901
• Electrical Factor……………………………………………………………………..Qes ………………………………………………….0.448
• Total Factor……………………………………………………………………………Qts…………………………………………………..0.388
• Moving Mass …………………………………………………………………………Mms………………………………………… 376.997 g
• Compliance…………………………………………………………………………….Cms ……………………………………… 0.027mm/N
• Bl Factor…………………………………………………………………………………Bl ……………………………………………………16.69
• Voice Coil Inductance…………………………………………………………….. Le……………………………………………….0.561mH
• Diaphragm Area……………………………………………………………………..Sd …………………………………………..490.87cm2
• DC Resistance ………………………………………………………………………..Re ……………………………………………… 2+2 ohm
• Efficiency Bandwidth Product………………………………………………..EBP………………………………………………….111.6

RECOMMENDED ENCLOSURES

• Sealed Internal Volume……………………………………………………………………………………………….Not Recommended
• Ported Internal Volume ………………………………………………………………………………………………………..36L / 1.27ft3
• Port Size *Square (WxHxLong)………………………………………………………………………………… 1.89″x12.28″x13.8″
• Port Tunning Frequency…………………………………………………………Fb…………………………………………………….50 Hz
• Ported Box Output Response…………………………………………………F3 ……………………………………………………42 Hz

MEASUREMENT

• Overall Diameter ………………………………………………………………………………………………………………12.6” / 321 mm
• Overall Depth……………………………………………………………………………………………………………………8.14” / 207 mm
• Front Mount Baffle Cutout. ………………………………………………………………………………………………11.1” / 282 mm
• Mounting Depth …………………………………………………………………………………………………………………….7” / 180 mm
• Motor Diameter………………………………………………………………………………………………………………..7.72″ / 196 mm

IT IS NOT RECOMMENDED TO USE SEALED BOX

RECOMMENDED BOX DIMENSION

SINGLE SUBWOOFER PORTED BOX

• WOODCUTS

• PARAMETERS

  • Box External Dimensions
    (WxHxD): 23.62” x 13.78 x 11.60“ /600 mm x 350 mm x 294.6 mm

  • Material Thickness: 0.75” / 19mmNet Internal Volume: 1.27 ft3 / 36 L

  • Tuning Frequency: 50 Hz

  • Port Area: 23.25” / 150 CM2

  • Port Intel: 1.89” x 12.28” / 48.1 x 312 mm

  • Port Length: 13.82” / 351 mm

DOUBLE SUBWOOFER PORTED BOX

• WOOD CUTS

• PARAMETERS

  • Box External Dimensions
    (WxHxD): 33.46” x 13.78 x 14.10“ / 850 mm x 350 mm x 358.2

  • Material Thickness: 0.75” / 19mm

  • Net Internal Volume: 2 ft3 / 56.6 L

  • Tuning Frequency: 48Hz

  • Port Area: 50 inch2 / 322.6 CM2

  • Port Intel: 4.07” x 12.28” / 103.4 x 312 mm

  • Port Length: 20.61” / 523.6 mm

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