DS18 12.2D 12 Inch Shallow Subwoofer Owner’s Manual
- June 9, 2024
- DS18
Table of Contents
DS18 12.2D 12 Inch Shallow Subwoofer
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
- Material Interior de Bobina de Voz………………………………………………………………………………………………. Aluminio Negro
- Winding Material……………………………………………………………………………………………………………………………………SV
- Cone Material………………………………………………………………………………………… Non Pressed Paper + Glass Fiber
- Material del Cono…………………………………………………………………………………………Papel No Prensado + Fibra de Vidrio
- Dust Cap Material………………………………………………………………………………………………………………………………… PPI
- Surround Material ……………………………………………………………………………………………………………………………. Foam
- Material de la Suspensión…………………………………………………………………………………………………………………………. Espuma
- Basket Material …………………………………………………………………………………………………………………………Aluminum
- Material de la Canasta ……………………………………………………………………………………………………………………………… Aluminio
- Basket Color……………………………………………………………………………………………………………………………..Glossy Red
- Color de la Canasta …………………………………………………………………………………………………………………………… Rojo Brillante
- Magnet Material…………………………………………………………………………………………………………………………….. Ferrite
- Material del Imán………………………………………………………………………………………………………………………………………….. Ferrita
- 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
THIELE & SMALL PARAMETERS
- 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″ /
- Tamaño del Puerto *Cuadrado (WxHxL)……………………………………………………………….. 48.1mm x 312mm x 351mm
- 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
PARAMETERS
- Box External Dimensions
- Dimensiones: (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
WOOD CUTS
- Top – Bottom: 23.62” x 11.60” / 600 x 294.6 mm 2
- Front: 20.98” x 12.28”/ 532.9 x 312 mm 1
- Rear: 23.62” x 12.28” / 600 x 312 mm 1
- Left: 10.10” x 12.28”/ 256.6 x 312 mm 1
- Right: 10.85” x 12.28” / 275.6 x 312 mm 1
- Port: 8.21” x 12.28” / 208.5 x 312 mm 1
- Port: 2.22” x 12.28” / 56.4 x 312 mm 1
DOUBLE SUBWOOFER PORTED BOX
PARAMETERS
- Box External Dimensions
- Dimensiones : (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
WOOD CUTS
- Top – Bottom: 33.46” x 14.10” / 850 x 358.2 mm 2
- Front: 28.65” x 12.28”/ 727.6 x 312 mm 1
- Rear: 33.46” x 12.28” / 850 x 312 mm 1
- Left: 12.61” x 12.28”/ 320.2 x 312 mm 1
- Right: 13.35” x 12.28” / 339.2 x 312 mm 1
- Port: 8.54” x 12.28” / 216.8 x 312 mm 1
- Port: 6.51” x 12.28” / 165.4 x 312 mm 1
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References
Read User Manual Online (PDF format)
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