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DS18 ZR12.2D 12 Inch Subwoofer
ZR12.2D
SPECIFICATIONS
- Nominal Diameter……………………………12”/ 305mm
- Nominal Impedance …………………………………………2+2 OHMS
- RMS Power Handling ……………………………………..750W
- MAX Power Handling …………………………………………….1500W
- Sensitivity (1w/1m) ……………………………………………………..82 dB
- Frequency Response ……………………………….25Hz – 200 Hz
- Recommended Lo Pass Crossover…………………………………..90 Hz
MOTOR
- Voice Coil Diameter ………………………………………….2.5″ / 61.6mm
- VC Former Material ……………………………Aluminum
- Winding Material ……………………………………Copper
- Cone Material ………………………Non Pressed Paper
- Dust Cap Material …………………………………….PPI
- Surround Material ……………………………………..Foam
- Basket Material……………………………………………….Steel
- Basket Color/Finish ……………………….Matte Black
- Magnet Material ………………………………………………………..Ferrite
- Magnet Weight……………………………………………….100 oz
- Displacement Volume ………………………………………….0.07 ft3
THIELE & SMALL PARAMETERS
- Equivalent Volume: ……………………Vas………………………….22.2 L
- Excursion (one way) …………………………….Xmax……………………..25mm
- Free Air Resonance…………………………..Fs……………………………..28Hz
- Mechanical Factor ……………………………………………Qms……………………………5.08
- Electrical Factor …………………………………………………..Qes…………………………….0.94
- Total Factor…………………………………..Qts……………………………0.79
- Moving Mass …………………………………………….Mms……………………..268.1g
- Compliance ………………………………Cms………………..66.4μ m/N
- BL Factor ……………………………………….Bl………………………………….10.7
- Voice Coil Inductance ……………Le…………………818.8m mH
- Cone Area ………………………………….Sd…………………502.73 Cm2
- DC Resistance ……………………………Re………………3.4 + 3.4 ohm
- Efficiency Bandwidth Product……………………………………….EBP……………………………29.8
MEASUREMENTS
- Overall Diameter……………………………………………12.44” / 316mm
- Overall Depth………………………………………………….7.7”/195.56mm
- Front Mount Baffle Cutout……………………………………….11”/279.43mm
- Mounting Depth …………………………………………………………..6.6”/168mm
- Motor Diameter…………………………………………………6.1″ / 155mm
ZR12.4D 
SPECIFICATIONS
- Nominal Diameter……………………… 12”/ 305mm
- Nominal Impedance …………………………………………4+4 OHMS
- RMS Power Handling …………………………………… .750W
- MAX Power Handling ……………………………………………1500W.
- Sensitivity (1w/1m) ……………………………………………………82 dB
- Frequency Response ………………………………..25Hz – 200 Hz
- Recommended Lo Pass Crossover………………………………….90 Hz
MOTOR
- Voice Coil Diameter ………………………………………….2.5″ / 61.6mm
- VC Former Material ……………………………Aluminum
- Winding Material ……………………………………Copper
- Cone Material ………………………Non Pressed Paper
- Dust Cap Material …………………………………….PPI
- Surround Material ……………………………………..Foam
- Basket Material……………………………………………….Steel
- Basket Color/Finish ……………………….Matte Black
- Magnet Material ………………………………………………………..Ferrite
- Magnet Weight……………………………………………….100 oz
- Displacement Volume ………………………………………….0.07 ft3
THIELE & SMALL PARAMETERS
- Equivalent Volume: ……………………Vas………………………….22.2 L
- Excursion (one way) …………………………….Xmax……………………..25mm
- Free Air Resonance…………………………..Fs……………………………..28Hz
- Mechanical Factor ……………………………………………Qms……………………………5.08
- Electrical Factor …………………………………………………..Qes…………………………….0.94
- Total Factor…………………………………..Qts……………………………0.79
- Moving Mass …………………………………………….Mms……………………..268.1g
- Compliance ………………………………Cms………………..66.4μ m/N
- BL Factor ……………………………………….Bl………………………………….10.7
- Voice Coil Inductance ……………Le…………………818.8m mH
- Cone Area ………………………………….Sd…………………502.73 Cm2
- DC Resistance ……………………………Re………………3.4 + 3.4 ohm
- Efficiency Bandwidth Product……………………………………….EBP……………………………29.8
MEASUREMENTS
- Overall Diameter …………………………………………………….12.44” / 316mm
- Overall Depth…………………………………….7.7”/195.56mm
- Front Mount Baffle Cutout ………………………………..11”/279.43mm
- Mounting Depth …………………………………………………….6.6”/168mm
- Motor Diameter ………………………………………………………..6.1″ / 155mm
Recommended Box Dimension
Parameters
- Box External Dimensions: (WxHxD): 31.50”x 13.39”x9.11”
- Material Thickness 0.75” / 19 mm
- Net Internal Volume1.50 ft3
Wood Cuts
- Top-Bottom: (WxH): 31.00”x9.11”
- Front-Rear (WxH): 31.50”x11.89”
- Left-Right: (WxH): 7.61”x11.89”
Single Subwoofer Ported Box
Parameters
- Box External Dimensions: (WxHxD): 23.15”x 14.49”x18.62”
- Material Thickness 0.75” (3/4) / 19mm
- Net Internal Volume :2.40 ft3
- Tuning Frequency: 32 Hz
- Port Area: 25.57 inch2
- Port Inlet (WxH): 1.97”x 12.99”
- Port Length 23.09”
Wood Cuts
- Top-Bottom 23.15”x18.62”
- Front: 20.43”x12.99”
- Rear: 23.15”x12.99”
- Left: 17.12”x12.99”
- Right: 17.87”x12.99”
- Port: 15.15”x12.99”
- Port: 4.47”x12.99”
Double Subwoofer Ported Box 
Parameters
- Box External Dimensions: (WxHxD): 36.22”x 14.49”x 20.83”
- Material Thickness: 0.75” (3/4) / 19mm
- Net Internal Volume: 4.00 ft3
- Tuning Frequency: 31 Hz
- Port Area: 51.15 inch2
- Port Inlet: 3.94×12.99”
- Port Length: 27.10”
Wood Cuts
- Top-Bottom: 36.22”x20.83”
- Front : 31.54”x12.99”
- Rear 36.22”x12.99”
- Left 19.34”x12.99”
- Right 20.09”x12.99”
- Port 15.40”x12.992”
- Port 6.26”x12.992”
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