DS18 ZR8.2D Elite-Z 8 Car Audio Subwoofer Owner’s Manual
- June 10, 2024
- DS18
Table of Contents
DS18 ZR8.2D Elite-Z 8 Car Audio Subwoofer
ZR8.2D
SPECIFICATIONS
Nominal Diameter / …………………………………………………………………………………………….8”
Nominal Impedance / …………………………………………………………………………………..2+2 OHMS
RMS Power Handling /………………………………………………………………………………….450W
MAX Power Handling / …………………………………………………………………………………900W
Sensitivity (1w/1m) / ……………………………………………………………………………………..82 dB
Frequency Response / ……………………………………………………………………33Hz – 200 Hz
Recommended Lo Pass Crossover / ………………………………………………120 Hz
MOTOR
Voice Coil Diameter / ………………………………………………………………….2” / 50.8mm
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 / Color/……………………………………………Matte Black
Magnet Material / ……………………………………………………………………………………….Ferrite
Magnet Weight/ ………………………………………………………………………………………………………………55 oz
Displacement Volume ……………………………………………………………………….0.03 ft3
THIELE & SMALL PARAMETERS
Equivalent Volume / …………………………………………………………..Vas………………………….5.74 L
Excursion (one way) / ………………………………………………………………..Xmax……………………..18mm
Free Air Resonance / ……………………………………………………..Fs……………………………..40Hz
Mechanical Factor / ……………………………………………………………………Qms………………………….4.38
Electrical Factor / …………………………………………………………………………Qes……………………………0.66
Total Factor / …………………………………………………………………………………..Qts……………………………0.57
Moving Mass / …………………………………………………………………….Mms…………………..112.72g
Compliance / ………………………………………………………………Cms………..105.133µ m/N
BL Factor / …………………………………………………………………………………….Bl……………………………….6.67
Voice Coil Inductance / ………………………………………..Le………………373.76m mH
Cone Area / …………………………………………………………………………………Sd………………………196 Cm2
DC Resistance / …………………………………………………………………………..Re………………1.8 + 1.8 ohm
Efficiency Bandwidth Product…………………………………………………..EBP……………………………60.6
MEASUREMENTS
Overall Diameter / …………………………………………………………………………………………8.42” / 214mm
Overall Depth / …………………………………………………………………………………………….5.3” / 134mm
Front Mount Baffle Cutout / ………………………………………………..7.24” / 184mm
Mounting Depth / …………………………………………………………………………4.4” / 111.4mm
Motor Diameter / …………………………………………………………………………………….5.7″ / 145mm
ZR8.4D
SPECIFICATIONS
Nominal Diameter / ………………………………………………………………………………………………………..8”
Nominal Impedance / …………………………………………………………………………………..4+4 OHMS
RMS Power Handling / ………………………………………………………………………………….450W
MAX Power Handling / …………………………………………………………………………………900W
Sensitivity (1w/1m) / ……………………………………………………………………………………..82 dB
Frequency Response / ……………………………………………………………………33Hz – 200 Hz
Recommended Lo Pass Crossover / ………………………………………………120 Hz
MOTOR
Voice Coil Diameter / ………………………………………………………………….2” / 50.8mm
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 / Color/……………………………………………Matte Black
Magnet Material / ……………………………………………………………………………………….Ferrite
Magnet Weight/ ……………………………………………………………………………………………………………55 oz
Displacement Volume / ……………………………………………………………………….0.03 ft3
THIELE & SMALL PARAMETERS
Equivalent Volume / …………………………………………………………..Vas………………………….5.33 L
Excursion (one way) / ………………………………………………………………..Xmax……………………..18mm
Free Air Resonance / ……………………………………………………..Fs……………………………..45Hz
Mechanical Factor / ……………………………………………………………………Qms…………………………….4.7
Electrical Factor / ………………………………………………………………………..Qes………………………….0.745
Total Factor / ………………………………………………………………………………….Qts………………………….0.643
Moving Mass / ……………………………………………………………………Mms………………………….97g
Compliance / …………………………………………………………………Cms……………..97.58µ m/N
BL Factor / ………………………………………………………………………………..Bl……………………………….9.48
Voice Coil Inductance / ………………………………………..Le………………551.18m mH
Cone Area / ………………………………………………………………………………..Sd………………………196 Cm2
DC Resistance / …………………………………………………………………………….Re………………3.4 + 3.4 ohm
Efficiency Bandwidth Product……………………………………………………EBP……………………………60.4
MEASUREMENTS
Overall Diameter / …………………………………………………………………………………………8.42” / 214mm
Overall Depth / …………………………………………………………………………………………….5.3” / 134mm
Front Mount Baffle Cutout / ………………………………………………..7.24” / 184mm
Mounting Depth / …………………………………………………………………………4.4” / 111.4mm
Motor Diameter / …………………………………………………………………………………….5.7″ / 145mm
ZR8.2D – ZR8.4D
Recommended Box Dimension
Single Subwoofer Sealed Box
Parameters
Box External Dimensions (WxHxD): 11.81”x 8.66”x7.91”
Material Thickness /0.51” / 13 mm
Net Internal Volume 0.30 ft3
| Wood Cuts | Qty |
|---|---|
| Top-Bottom (WxH): 11.81”x7.91” | 2 |
| Front-Rear (WxH): 11.81”x7.64” | 2 |
| Left-Right (WxH): 6.89”x7.64” | 2 |
Single Subwoofer Ported Box
Parameters
Box External Dimensions (WxHxD) : 19.69”x 8.66”x8.51”
Material Thickness : 0.51” /13mm
Net Internal Volume : 0.50 ft3
Tuning Frequency : 45 Hz
Port Area : 7.52 inch2
Port Inlet (WxH) : : 0.98”x 7.64
Port Length : 16.59”
| Wood Cuts | Qty |
|---|---|
| Top-Bottom (WxH): 19.69”x8.51” | 2 |
| Front 18.19”x7.64” | 1 |
| Rear 19.69”x7.64” | 1 |
| Left 7.49”x7.64” | 1 |
| Right 8.00”x7.64” | 1 |
| Port 6.50”x7.64” | 1 |
| Port 8.07”x7.64” | 1 |
Double Subwoofer Ported Box
Parameters
Box External Dimensions (WxHxD): 27.56”x 9.84”x 9.92”
Material Thickness / :0.51” / 13mm
Net Internal Volume / :1.00 ft3
Tuning Frequency / : 45 Hz
Port Area / : 15.03 inch2
Port Inlet / (WxH): 1.70×8.82”
Port Length /: 15.28”
| Wood Cuts | Qty |
|---|---|
| Top-Bottom (WxH): 27.56”x9.92” | 2 |
| Front 25.34”x8.82” | 1 |
| Rear 27.56”x8.82” | 1 |
| Left 8.89”x8.82” | 1 |
| Right 9.41”x8.82” | 1 |
| Port 7.19”x8.82” | 1 |
| Port 5.36 ”x8.82” | 1 |
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