DS18 8” MID-RANGE LOUDSPEAKER WITH BULLET Owner’s Manual

: June 5, 2024
: DS18

Table of Contents

SPECIFICATIONS
MOTOR
THIELE & SMALL PARAMETERS
MEASUREMENTS
Documents / Resources

OWNER’S MANUAL

PRO-GM8.4B
8” MID-RANGE LOUDSPEAKER WITH BULLET
ALTAVOZ DE 8” DE RANGO MEDIO CON BALA

SPECIFICATIONS

Nominal Diameter…………………………………………………………………. 8” / 203.2mm
Nominal Impedance ……………………………………………………………….. 4 OHMS
RMS Power Handling………………………………………………………………..190 Watts
MAX Power Handling …………………………………………………………….580 Watts
Sensitivity ) …………………………………………………………………………….95dB
Frequency Response ……………………………………………………………… 80Hz-10KHz
Recommended Hi-Pass Crossover ………………………………………….120 Hz
Pair or single ……………………………………………………………………………….Single

MOTOR

Voice Coil Diameter …………………………………………………………….1.5” / 38.1mm
Voice Coil Former Material …………………………………………….. Kapton
Winding Material …………………………………………………………….. CCA
Cone Material ……………………………………………………………………. Paper
Bullet Material ……………………………………………………………………. Red Aluminum
Surround Material ……………………………………………………………….. Cloth
Basket Material ……………………………………………………………………….Steel
Basket Color ………………………………………………………………………….. Matte Black
Magnet Material ……………………………………………………………………….. Ferrite
Magnet Weight …………………………………………………………………………… 30 oz

THIELE & SMALL PARAMETERS

Equivalent Volume …………………………………….. Vas ……………………………………….18.39L / 0.64ft3
Free Air Resonance ……………………………………… Fs ……………………………………..92Hz
Mechanical Factor ……………………………………… Qms …………………………………. 11.5
Electrical Factor …………………………………………… Qes……………………………………..0.715
Total Factor …………………………………………………. Qts …………………………………….0.673
Mechanical Mass ………………………………………… MMS……………………………………..10.3g
Mechanical Compliance ………………………………. Cms……………………………………. 0.286mm/N
BL Factor ……………………………………………………….. BL ……………………………………. 5.2
Voice Coil Inductance …………………………………… Le……………………………………… 0.427mH
Cone Area ……………………………………………………… Sd ……………………………………..213.82cm2
DC Resistance ………………………………………………….. Re ……………………………………. 3.2 ohm

MEASUREMENTS

Overall Diameter ………………………………………………………………….8.26″ / 210mm
Overall Depth ………………………………………………………………………3.46″ / 88mm
Front Mount Baffle Cutout ……………………………………………… 7.2″ / 183 mm
Mounting Depth …………………………………………………………………3.22” / 82mm
Motor Diameter ………………………………………………………………………4.72″ / 120mm

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