DS18 8PRO400MR-4 High Sensitivity Professional Mid Range Loudspeaker Owner’s Manual
- June 1, 2024
- DS18
Table of Contents
OWNER’S MANUAL
8PRO400MR-4
8″ HIGH SENSITIVITY PROFESSIONAL
MID-RANGE LOUDSPEAKER
4Ω
8PRO400MR-4 High Sensitivity Professional Mid Range Loudspeaker
8PRO400MR-4
SPECIFICATIONS:
Nominal Diameter …………………………………………. 8″ / 203mm
Nominal Impedance……………………………………. 4 OHMS
RMS Power Handling…………………………………. 200 Watts
MAX Power Handling………………………………… 400 Watts
Sensitivity (1w/1m)………………………………. 104dB
Frequency Response…………………100Hz-12.5KHz
Recommended HI Pass Crossover…………………………. 160Hz
Sold as Pair or Single………………… Single / Unidad
FEATURES:
Demodulating Rings…………………. Copper Ring
Cone Shape………………………………. Curvilinear
Speaker Terminals………………………….. Push (16ga)
MOTOR:
Voice Coil Diameter ……………………………….. 1.5″ / 38.6mm
VC Former Material……………………………………… Til
Winding Material………………………….. CCAW
Cone Material………………………………. Paper
Dust Cap Material……………………………. Paper
Surround Material…………………………………… Cloth
Spider Diameter……………………………………… 4″ / 102mm
Leads Connection Type…………………… Spider Crossed
Basket Material……………………………………. Steel / Acero
Basket Color ………………………………………………………. Black
Magnet Material………………………………………………….. Ferrite
Magnet Weight ………………………………………. 40 Oz
Displacement Volume ……………………………….. 0.56L / 0.02ft3
THIELE & SMALL PARAMETERS:
Equivalent Volume………………… Vas…………………………….. 37.3L / 1.31ft3
Excursion (one way)…………………. Xmax ………………………………… 0.75mm
Free Air Resonance…………….. Fs …………………………………….. 70Hz
Mechanical Factor……………………………. Qms ………………………………………….. 4.31
Electrical Factor ……………………………… Qes ……………………………………….. 0.34
Total Factor…………………………………………… Qts …………………………………….. 0.32
Mechanical Mass……………………………… Mms ………………………………….. 12.72g
Mechanical Compliance…………. Cms …………………………………….. 0.43mm/N
BL Factor ………………………………………… Bl……………………………………….. 7.44
Voice Coil Inductance …….. Le ……………………………. 0.03mH
Cone Area ………………………………. Sd………………………….. 246.06cm2
DC Resistance………………………………. Re……………………………………. 3.5ohms
Mechanical Mass w/o air ……….. Mmd ……………………………………. 12.5g
MEASUREMENTS:
Overall Diameter………………………………………………. 8.19″ / 208mm
Overall Depth…………………………………………………….. 3.72″ / 94.6mm
Front Mount Baffle Cutout…………………………………………. 7.36″ / 187mm
Mounting Depth……………………………………………………… 3.48″ / 88.5mm
Motor Diameter……………………………………………………. 5.1″ / 130mm
MEASUREMENTS:
WARRANTY
Please visit our website DS18.com for more information on our warranty policy.
We reserve 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. www.P65Warning.ca.gov
FOR MORE
INFORMATION
PLEASE VISIT DS18.COM
WE LIKE IT LOUD
References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>