DS18 PRO-GM8.4B 8 Midrange Loud Speaker Owner’s Manual
- June 5, 2024
- DS18
Table of Contents
DS18
PRO-GM8.4B 8 Midrange Loud Speaker
OVERVIEW
Specifications:
Nominal Diameter …………………………………………………………………….8′
Nominal Impedance ………………………………………………………………..4 OHM
RMS Power Handling……………………………………………………………….190W
Maximum Power Handling ……………………………………………………580 W
Sensitivity (1w/1m) ……………………………………………………………………96dB
Frequency Response ……………………………………………………………90H-10KHz
Recommended Hi Pass Crossover………………………………..120HZ
Midrange:
Voice Coil Diameter………………………………………………………………….1.5
Voice Coil Former Material ………………………………………………….KAPTON
Winding Material ………………………………………………………………………..KCCAW
Cone Material………………………………………………………………………………PAPER
Dust Cap Material……………………………………………………………………..ALUMINUM
Bullet Material………………………………………………………………………………CLOTH
Surround Material……………………………………………………………………….STEEL
Basket Material……………………………………………………………………………FERRITE
Magnet Material………………………………………………………………………….. PAPER
Magnet Weight……………………………………………………………………………30 OZ
Thiele & Small Parameters:
Equivalent Volume
Free Air Resonance
Mechanical Factor
Electrical Factor
Total Factor
CD Resistance
Vas…………………… 17.8
Fs……………………… 110
Qms ……………….. 7.8
Qes………………….. 0.72
Qts…………………… 0.66
Re…………………….. 3.2 o
MEASUREMENT
Overall Diameter………………………………………………………………………… 8.23″/209mm
Overall Depth………………………………………………………………………………. 3.39″/86mm
Front Mount Baffle Cutout…………………………………………………….. 7.17″/182mm
Mouting Depth…………………………………………………………………………….. 3.11″/79mm
Motor Diameter………………………………………………………………………….. 4.72″/120mm