Ds18 Pro-ns8 Car Audio Speaker Owner's Manual

DIMENSIONS

SPECIFICATIONS

MOTOR

Voice Coil Diameter …………………………………………………………….. 2”/50.8 mm
Voice Coil Former Material ………………………………………………………… KSV
Winding Material  ………………………………………………………………………….Copper
Cone Material  ……………………………………………………………………………………….. Paper
Dust Cap Material  ……………………………………………………………. Paper
Surround Material  ……………………………………………………………………….Cloth
Basket Material  ………………………………………………………………………………Steel
Basket Color …………………………………….Glossy Black
Magnet Material …………………………………………………………………..Neodymium
MagnetWeight  …………………………………………………………………………………………………….3.32 Oz

THIELE & SMALL PARAMETERS

Equivalent Volume ………………………………………………Vas ……………..5.48L / 0.193ft3
Excursion (one way) Xmax …………………………….2 mm
Free Air Resonance …………………………………………Fs ……………………………….. 120Hz
Mechanical Factor ……………………………………………………….Qms ……………………………..3.781
Electrical Factor …………………………………………………………….Qes………………………………..0.952
Total Factor  ………………………………………………………………………….Qts…………………………………0.761
Mechanical Mass  ……………………………………………………….Mms …………………………13.242g
Mechanical Compliance ………………………………….Cms…………………….162m cm/N
BL Factor ………………………………………………………………………………….BL ………………………………….6.029
Voice Coil Inductance  ………………………….Le…………………………….7.011mH
Cone Area ………………………………………………………………………….Sd ……………………. 213.825 cm3
DC Resistance ………………………………………………………………..Re …………………………….. 6.5 ohm
Mechanical Mass w/o air ……………………………….Mmd ………………………….. 13.07g

MEASUREMENTS

Overall Diameter  ………………………………………………………………………………………8.2” / 208mm
Overall Depth ……………………………………………………………………………………….2.67″ / 68mm
Front Mount Baffle Cutout ……………………………………………..7.12″ / 181mm
Mounting Depth  ………………………………………………………………………..2.48″ / 63mm
Motor Diameter  ……………………………………………………………………………..4.33″ / 110mm

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