DS18 ZR8.2D Elite-Z 8 Inch Car Audio Subwoofer Owner’s Manual

June 3, 2024
DS18

DS18 ZR8.2D Elite-Z 8 Inch Car Audio Subwoofer

DIMENSION

ZR8.2D

DS18-ZR8-2D-Elite-Z-8-Inch-Car-Audio-Subwoofer-FIG1

SPECIFICATIONS

MOTOR

  • 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
  • Voice Coil Diameter ………………………………………………………………….2” / 50.8mm
  • VC Former Material……………………………………………Aluminum
  • Winding Material……………………………………………………………………………..Copper / Cobre
  • 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……………………………………………………………………………………………………………….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…………………………………………….373.76m mH
  • Cone Area…………………………………………………………………………………….Sd………………………196 Cm2
  • DC Resistance……………………………………………………………………………Re………………1.8 + 1.8 ohm
  • Efficiency…………………………………………………………………………….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

DS18-ZR8-2D-Elite-Z-8-Inch-Car-Audio-Subwoofer-FIG2

SPECIFICATIONS

MOTOR

  • 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
  • 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……………………………………………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…………………………………………………………………………….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

Recommended Box Dimension

Single Subwoofer Sealed BoxDS18-ZR8-2D-Elite-Z-8-Inch-Car-Audio-
Subwoofer-FIG3

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 BoxDS18-ZR8-2D-Elite-Z-8-Inch-Car-Audio-
Subwoofer-FIG4

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: 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 BoxDS18-ZR8-2D-Elite-Z-8-Inch-Car-Audio-
Subwoofer-FIG5

Parameters

  • Box External Dimensions(WxHxD): 27.56”x 9.84”x 9.92”
  • Material Thickness: 0.51” / 13mm
  • Net InternalVolume: 1.00 ft3
  • Tuning Frequency: 45 Hz
  • Port Area: 15.03 inch2
  • Port Inlet: 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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