OWNER’S MANUAL
8OCT400-8
8” OCTAGONAL MIDRANGE
LOUDSPEAKER
Contents
SPECIFICATIONS
Nominal Diameter……………………………………………8″ / 203 mm
Nominal Impedance………………………………………………………8 OHMS
RMS Power Handling…………………………………………….400 Watts
MAX Power Handling………………………………………….800 Watts
Sensitivity (1w/1m)……………………………………………………………… 98 dB
Frequency Response……………………………………………… 63Hz-10KHz
Recommended Hi Pass Crossover……………………………100 Hz
Sold as Pair or Single……………………………………. Single
MOTOR
Voice Coil Diameter…………………………………………….2″ / 50.8 mm
VC Former Material………………………………………………. TIL
Winding Material………………………………………………………….CCAW
Cone Material……………………………………………………… Paper
Dust Cap Material……………………………………………. Paper
Surround Material…………………………………………………….. Cloth
Basket Material………………………………………………Aluminum
Basket Color…………………………….Sandblasted Black
Magnet Material……………………………………………………………. Ferrite
Magnet Weight…………………………………………………………………………….. 50 Oz
Displacement Volume………………………………0.062 L / 0.0021 ft3
THIELE & SMALL PARAMETERS
Equivalent Volume…………………….Vas……………………………. 39.8 L / 1.4 ft3
Excursion (one way)…………………………..Xmax ………………………………………. 4 mm
Free Air Resonance……………….Fs …………………………………………… 80 Hz
Mechanical Factor……………………………..Qms ………………………………………… 5.008
Electrical Factor……………………………….Qes …………………………………………. 0.545
Total Factor……………………………………………Qts ………………………………………….. 0.492
Mechanical Mass………………………………Mms ………………………………………. 5.83 g
Mechanical Compliance…………Cms ………………………………..0.62 mm/N
BL Factor……………………………………………….Bl………………………………………………. 5.68
Voice Coil Inductance……..Le ………………………………………0.158 mH
Equivalent Volume…………………….Vas……………………………. 39.8 L / 1.4 ft3
Excursion (one way)…………………………..Xmax ………………………………………. 4 mm
Free Air Resonance………………..Fs …………………………………………… 80 Hz
Mechanical Factor……………………………..Qms ………………………………………… 5.008
Electrical Factor………………………………….Qes …………………………………………. 0.545
Total Factor…………………………………………….Qts ………………………………………….. 0.492
Mechanical Mass………………………………Mms ………………………………………. 5.83 g
Mechanical Compliance………….Cms ………………………………..0.62 mm/N
BL Factor…………………………………………………..Bl………………………………………………. 5.68
Voice Coil Inductance……..Le ………………………………………0.158 mH
Cone Area……………………………………………..Sd…………………………………… 213.82 cm²
Cone Area……………………………………………Sd…………………………………… 213.82 cm²
DC Resistance…………………………………….Re…………………………………… 5.73 OHMS
DC Resistance…………………………………….Re…………………………………… 5.73 OHMS
MEASUREMENT
MEASUREMENT
Overall Diameter…………………………………………………………………..8.1″ / 208 mm
Overall Depth…………………………………………………………………4.1″ / 105 mm
Front Mount Baffle Cutout………………………………….7.2″ / 185 mm
Mounting Depth………………………………………………………..3.7″ / 95 mm
Overall Diameter……………………………………………………………………8.1″ / 208 mm
Overall Depth………………………………………………………………..4.1″ / 105 mm
Front Mount Baffle Cutout…………………………………..7.2″ / 185 mm
Mounting Depth………………………………………………………….3.7″ / 95 mm
Motor Diameter………………………………………………………………5.7″ / 145 mm
Motor Diameter………………………………………………………………..5.7″ / 145 mm
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 included optional equipment.
WARNING:
Cancer and Reproductive Harm.
www.P65Warning.ca.gov
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