Eighteen Sound 8CX650
Coaxial
8″ / 200 mm
Nominal diameter
65 Hz
Resonance
0.35
Q factor
93 dB
Sensitivity
± 6 mm
Linear excursion
400 W
Program Power
.jpg)
.png)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
92.7
dB
Frequency response
90 - 4700
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
65.0
Hz
Mechanical quality factor
QMS
6.40
Electrical quality factor
QES
0.37
Total quality factor
QTS
0.35
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Air volume displaced at xmax
VD
136
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
4.9
Ω
Inductance (1kHz)
LE
0.7
mH
VC Diameter
65
mm
Winding material
Edgewound Aluminum
Magnet
Force factor
Bl
12.0
N/A
Motor constant
Bl/√RE
5.42
N/√W
Diaphragm
Effective diameter
170
mm
Effective area
SD
227
cm²
Moving mass
MMS
25.6
g
Moving mass (without air load)
MMD
23.1
g
Suspensions
Stiffness
KMS
4.27
N/mm
Compliance
CMS
234
µm/N
Equivalent volume to the compliance
VAS
16.6
L
Mechanical resistance
RMS
1.63
N·s/m
Dimensions
Nominal diameter
8
″
200
mm
Overall diameter
210
mm
Baffle cutout diameter
185
mm
Overall depth
132
mm
Flange thickness
8
mm
Mounting depth
124
mm
Volume occupied by the driver (estimated)
1.9
L
Net weight
5.6
kg
.png)
.png)
.png)
.jpg)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to Eighteen Sound 8CX650
.jpg.webp)
.jpg.webp)
8″Woofer
fS
70 Hz
SD
223 cm²
80 - 5000 Hz
QTS
0.41
xmax
5.5 mm
SPL1W
92 dB
Bl/√RE
5.34
Pmax
500 W
.png.webp)
10″Subwoofer
fS
65 Hz
SD
346 cm²
60 - 4000 Hz
QTS
0.35
xmax
7.9 mm
SPL1W
93 dB
Bl/√RE
8.5
Pmax
1600 W