DS18 ZR8.2D 8 Inch Subwoofer Owner’s Manual
- June 4, 2024
- DS18
Table of Contents
ZR8.2D 8 Inch Subwoofer
Owner’s Manual
ZR8.2D 8 Inch Subwoofer
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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……………………………..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
Eficiencia del Ancho de Banda del Producto
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
Parameters
Box External Dimensions
Dimensiones externas
(WxHxD): 11.81”x 8.66”x7.91”
Material Thickness: 0.51” / 13 mm
Net Internal Volume: 0.30 ft3
Wood Cuts
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: : 0.98”x 7.64
Port Length: 16.59”
Wood Cuts
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
Top-Bottom / Arrib a-Abajo (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
ZR8.2D
ZR8.4D
8” SUBWOOFER
SUBWOOFER DE 8”
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