DS18 EXL-X12.4D Dual 4 OHM 12 Inch Subwoofer Owner’s Manual
- June 5, 2024
 - DS18
 
Table of Contents
DS18 EXL-X12.4D Dual 4 OHM 12 Inch Subwoofer Owner’s Manual
Dimension

Specifications
- Nominal Diameter: 12”
 - Nominal Impedance: 4+4 OHMS
 - MAX Power Handling: 2500W
 - RMS Power Handling: 1250W
 - Sensitivity (1w/1m): 88 dB
 - Frequency Response: 30-1.7 KHz
 - Recommended Lo Pass Crossover: 100 Hz
 
Motor
- Voice Coil Diameter: 2.57”/65.5mm
 - Voice Coil Former Material: Black Aluminum
 - Winding Material: SV
 - Cone Material: Paper/ Fiber Glass
 - Dust Cap Material: PPI
 - Surround Material: Foam
 - Basket Material: Aluminum
 - Magnet Material: Ferrite
 - Magnet Weight: 210 oz
 - Displacement Volume: 0.309 L
 
Thiele & Small Parameters
- Equivilant Volume: Vas … 9.08 L
 - Excursion: Xmax … 30 mm
 - Free Air Resonance: Fs …. 55.7 Hz
 - Mechanical Factor: Qms …. 3.305
 - Electrical Factor: Qes…. 0.482
 - Total Factor: Qts….. 0.431
 - Moving Mass: Mms… 307. 124g
 - Compliance: Cms….. 0.025 mm/N
 - Force Factor: Bl …. 20.105
 - Voice Coil Inductance: Le …. 10.3 mH
 - Diaphragm Area: Sd…. 490.87 cm2
 - Dc Resistance: Re… 3.7 ohm
 - Efficiency Bandwidth Product: EBP… 115.5
 
Measurements
- Overall Diameter: 12.6” / 321mm
 - Overall Depth: 8.14” / 207mm
 - Bolt Pattern: 11.69” / 297mm
 - Front Mount Baffle Cutout: 11.1” / 282mm
 - Mounting Depth: 7.08” / 180mm
 - Motor Diameter: 7.71” / 196mm
 
EXL-X12.4D
12” SUBWOOFER RED COLOR ALUMINUM BASKET
2500 WATTS MAX POWER
1250 WATTS RMS POWER
NOMINAL IMPEDANCE: 4+4 OHMS
SENSITIVITY: 88dB
FREQUENCY RESPONSE: 30 – 1.7KHz 2.5″ BLACK ALUMINUM
4 LAYER VOICE COIL
2 LAYER CONEX SPIDER
LARGE FOAM EDGE AND PAPER WITH GLASS FIBER CONE
MAGNET: 210 OZ HIGH STRENGTH DOUBLE FERRITE


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