DS18 PRO-NS6.4 6.5” MID-RANGE LOUDSPEAKER Owner’s Manual
- June 5, 2024
 - DS18
 
Table of Contents
DS18 PRO-NS6.4 6.5” MID-RANGE LOUDSPEAKER
PRO-NS6.4
SPECIFICATIONS
- Nominal Diameter.. ……………………………………………………………………………6.5″ / 167mm
 - Nominal Impedance ………………………………………………………………………………… 4 Ohms
 - RMS Power Handling …………………………………………………………………………..150W
 - MAX Power Handling……………………………………………………………………………300W
 - Sensitivity (1w/1m) ……………………………………………………………………………………94 dB
 - Frequency Response …………………………………………………………… 100Hz – 12KHz
 - Recommended …………………………………….180Hz
 - Pair or Single………………………………………………………………………………………………Single
 
MOTOR
- Voice Coil Diameter…………………………………………………………..1.5”/38.6 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 Red
 - Magnet Material…………………………………………………………………..Neodymium
 - Magnet Weight ……………………………………………………………………………………………………. 1.79 Oz
 
THIELE & SMALL PARAMETERS
Equivalent Volume ………………………………………………Vas ……………..4.58L / 0.161ft3
Excursion (one way)…………………………………………………….Xmax …………………………….2 mm
Free Air Resonance …………………………………………Fs ………………………………. 137 Hz
Mechanical Factor……………………………………………………….Qms ……………………………..4.906
Electrical Factor…………………………………………………………….Qes………………………………..1.072
Total Factor………………………………………………………………………….Qts……………………………………0.88
Mechanical Mass……………………………………………………….Mms ………………………….. 7.356g
Mechanical Compliance………………………………….Cms…………….183.287m cm/N
BL Factor / Factor BL………………………………………………………………………………….BL ……………………………………… 4.2
Voice Coil Inductance ………………………….Le…………………………….2.695mH
Cone Area………………………………………………………………………..Sd …………………….132.732 Cm3
DC Resistance……………………………………………………………….Re ……………………………3.2 ohms
Mechanical Mass ……………………………….Mmd…………………………. 6.477 g
MEASUREMENTS
- Overall Diameter……………………………………………………………………………………6.57” / 167mm
 - Overall Depth……………………………………………………………………………………….. 2.2” / 56mm
 - Front Mount Baffle Cutout………………………………………………..5.7” / 145mm
 - Mounting Depth………………………………………………………………………..1.96” / 50mm
 - Motor Diameter ………………………………………………………………………………….. 4” / 103mm
 
References
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