DS18 PRO-X8MSE 8-Inch Sealed Back Midrange Loudspeaker Owner’s Manual
- June 5, 2024
 - DS18
 
Table of Contents
DS18 PRO-X8MSE 8-Inch Sealed Back Midrange Loudspeaker

OVERVIEW
- 8″ SEALED BACK MIDRANGE LOUDSPEAKER
 

Specifications
- Nominal Diameter ……………………………………………………………………………. 8″
 - Nominal Impedance ……………………………………………………………….. 8 OHMS
 - MAX Power Handling ………………………………………………………………….. 550W
 - RMS Power Handling ………………………………………………………………….. 275W
 - Sensitivity (1w/1 m) ………………………………………………………………………. 97 dB
 - Frequency Response ………………………………………………………… 250Hz-8KHz
 - Recommended HI Pass Crossover ……………………………………………… 500 Hz
 
Motor
- Voice Coil Diameter. ………………………………………………………….. 1.5″/38.6 mm
 - Voice Coil Former Material ………………………………………………………. KAPTON
 - Winding Material …………………………………………………………………………… CCA
 - Cone Material ………………………………………………………… Non-Pressed Paper
 - Dust Cap Material ………………………………………………………………………… Paper
 - Surround Material …………………………………………………………………………. Cloth
 - Basket Material ……………………………………………………………………………. Steel
 - Magnet Material ………………………………………………………………………….. Ferrite
 - Magnet Weight ……………………………………………………………………………. 33 oz
 
Thiele & Small Parameters
- Equivilant Volume …………………………………………………. Vas …………….. 0. 727L
 - Excursion …………………………………………………………….. Xmax …………….. 6mm
 - Free Air Resonance ……………………………………………… Fs ………………. 450Hz
 - Mechanical Factor ………………………………………………… Qms …………….. 2.498
 - Electrical Factor ……………………………………………………. Yes ………………. 2.292
 - Total Factor ………………………………………………………….. It’s ……………….. 1.195
 - Moving Mass ……………………………………………………….. MMS …………. 11.321 g
 - Compliance ………………………………………………………… Cms ……… 0.011 mm/N
 - Force Factor ………………………………………………………. BL …………………. 8. 73
 - Voice Coil inductance ……………………………………………. Le …………… 0.798mH
 - Diaphragm Area ………………………………………………….. Sd ………… 216.42cm2
 - De Resistance ……………………………………………………… Re …………. 5.46 ohms
 
Measurements
- Overall Diameter …………………………………………………………….. 8.2″/208.5 mm
 - Overall Depth ……………………………………………………………………. 3.54″/90 mm
 - Front Mount Baffle Cutout …………………………………………………… 7.2″/183 mm
 - Mounting Depth …………………………………………………………………. 3.23″/82 mm
 - Motor Diameter …………………………………………………………………. 4. 72″/120mm
 
TECHNICAL
- MAX Power Handling: 550 Watts
 - RMS Power Handling: 275 Watts
 - Frequency Response: 250Hz-8KHz
 - Voice Coil Diameter: 1.5″ / 38.6 mm
 - Voice Coil Material: Kapton
 - Nominal Impedance: 8 ohm
 - Sensitivity (1W/1 M): 97dB
 - Magnet Weight: 33 oz
 - Magnet Material: Ferrite
 - Mounting Depth: 3.23″ / 82 mm
 

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