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DS18 PRO-RY8.4NMB 8-Inch Carbon Fiber Mid Bass Woofer Owner's Manual

DS18 PRO-RY8.4NMB 8" Mid Bass Woofer

Owner's Manual

Perfect for Motorcycles

Specifications

Parameter Value
Nominal Diameter8" / 203 mm
Nominal Impedance4 OHMS
RMS Power Handling250 Watts
MAX Power Handling500 Watts
Sensitivity (1w/1m)88 dB
Frequency Response40Hz-12KHz
Recommended Lo Pass Crossover400 Hz
Sold as Pair or SingleSingle / Unidad

Motor

Voice Coil Diameter2" / 50.8 mm
VC Former MaterialTil
Winding MaterialCCAW
Cone MaterialCarbon Fiber + Resin
Dust Cap MaterialCarbon Fiber + Resin
Surround MaterialRubber
Basket MaterialAluminum
Basket ColorBlack
Magnet MaterialNeodymium Rings
Magnet Weight10 Oz
Displacement Volume0.56 L / 0.02 ft³

Thiele & Small Parameters

Equivalent Volume (Vas)8.14 L / 0.28 ft³
Excursion (one way) (Xmax)4.1 mm
Free Air Resonance (Fs)60 Hz
Mechanical Factor (Qms)5.43
Electrical Factor (Qes)0.96
Total Factor (Qts)0.81
Mechanical Mass (Mms)52.12 g
Mechanical Compliance (Cms)0.14 mm/N
BL Factor (Bl)8.83
Voice Coil Inductance (Le)0.07 mH
Cone Area (Sd)206.12 cm²
DC Resistance (Re)3.8 OHMS
Mechanical Mass w/o air (Mmd)42.7 g
Efficiency Bandwidth Product (EBP)62.5

Measurements

Overall Diameter: 8.3" / 212 mm

Overall Depth: 4.5" / 115 mm

Front Mount Baffle Cutout: 7.2" / 185 mm

Mounting Depth: 4" / 104 mm

Motor Diameter: 4.3" / 110 mm

Diagram Description: Top view shows the speaker's overall diameter and mounting hole pattern. Side view details the overall depth, mounting depth, motor diameter, and baffle cutout diameter.

Recommended Enclosures

Single Speaker Sealed Box

Box External Dimensions (WxHxD): 15.75" x 9.06" x 9.06" / 400 mm x 230 mm x 230 mm

Material Thickness: 1/2" / 15 mm

Net Internal Volume: 0.50 ft³ / 14.2 L

Wood Cuts

  • Top / Bottom (WxH): 15.75" x 9.06" / 400 mm x 230 mm (QTY: 2)
  • Front / Rear (WxH): 15.75" x 7.87" / 400 mm x 200 mm (QTY: 2)
  • Left / Right (WxH): 7.87" x 7.87" / 200 mm x 200 mm (QTY: 2)

Diagram Description: Top view shows a circular cutout of 7.2" / 185 mm. Rear view indicates box dimensions and port placement.

Single Speaker Ported Box

Box External Dimensions (WxHxD): 23.62" x 9.06" x 10.26" / 600 mm x 230 mm x 260.7 mm

Material Thickness: 1/2" / 15 mm

Net Internal Volume: 0.75 ft³ / 21.2 L

Tuning Frequency: 52 Hz

Port Area: 15.50 inch² / 100 cm²

Port Inlet (WxH): 1.97" x 7.87" / 50.0 x 200 mm

Port Length: 15.81" / 401.7 mm

Wood Cuts

  • Top / Bottom (WxH): 23.62" x 10.26" / 600 mm x 260.7 mm (QTY: 2)
  • Front (WxH): 21.06" x 7.87" / 535 mm x 200 mm (QTY: 1)
  • Rear (WxH): 23.62" x 7.87" / 600 mm x 200 mm (QTY: 1)
  • Left (WxH): 9.08" x 7.87" / 230.7 mm x 200 mm (QTY: 1)
  • Right (WxH): 9.67" x 7.87" / 245.7 mm x 200 mm (QTY: 1)
  • Port (WxH): 7.11" x 7.87" / 180.7 mm x 200 mm (QTY: 1)
  • Port (WxH): 5.55" x 7.87" / 141 mm x 200 mm (QTY: 1)

Diagram Description: Top view shows a circular cutout of 7.2" / 185 mm. Front view details box dimensions and port. Rear view shows box dimensions.

Warranty & Warnings

Warranty: Please visit DS18.com for more information on the warranty policy.

DS18 reserves the right to change products and specifications at any time without notice. Images may or may not include optional equipment.

WARNING: Cancer and Reproductive Harm. Visit www.P65Warning.ca.gov.

Models: PRO-RY8.4NMB, 8 Inch Carbon Fiber Mid Bass Water Resistant Woofer Neod, Mid Bass Water Resistant Woofer Neod, 8 Inch Carbon Fiber Resistant Woofer Neod, Resistant Woofer Neod, Woofer Neod

File Info : application/pdf, 7 Pages, 532.11KB

PDF preview unavailable. Download the PDF instead.

PRO-RY8.4NMB SPANGLISH MANUAL WEB V1 1 ?v=1675269371"

References

Adobe PDF library 17.00 Adobe Illustrator 27.1 (Windows)

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