Eighteen Sound 8CX401F
Coaxial
8″ / 200 mm
Nominal diameter
56 Hz
Resonance
0.34
Q factor
93 dB
Sensitivity
± 5.8 mm
Linear excursion
400 W
Program Power
.jpg)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.1
dB
Frequency response
65 - 6100
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
56.0
Hz
Mechanical quality factor
QMS
3.23
Electrical quality factor
QES
0.38
Total quality factor
QTS
0.34
Large signal parameters
Maximum linear excursion
xmax
5.8
mm
Air volume displaced at xmax
VD
132
cm³
Power handling
P
280
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.0
Ω
Inductance (1kHz)
LE
0.96
mH
VC Diameter
51
mm
Winding material
ISV Aluminum
Former material
Fiberglas
Magnet
Force factor
Bl
9.3
N/A
Motor constant
Bl/√RE
4.16
N/√W
Material
Ferrite
Diaphragm
Effective diameter
170
mm
Effective area
SD
227
cm²
Moving mass
MMS
18
g
Moving mass (without air load)
MMD
15.5
g
Material
Humidity repellent
Suspensions
Stiffness
KMS
2.23
N/mm
Compliance
CMS
449
µm/N
Equivalent volume to the compliance
VAS
23.9
L
Mechanical resistance
RMS
1.96
N·s/m
Dimensions
Nominal diameter
8
″
200
mm
Overall diameter
210
mm
Baffle cutout diameter
186
mm
Overall depth
150
mm
Flange thickness
14
mm
Mounting depth
136
mm
Volume occupied by the driver (estimated)
1.7
L
Net weight
4.4
kg
.png)
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to Eighteen Sound 8CX401F
.png.webp)
10″Woofer
fS
55 Hz
SD
370 cm²
55 - 1500 Hz
QTS
0.37
xmax
4.5 mm
SPL1W
93 dB
Bl/√RE
7.15
Pmax
600 W
.jpg.webp)
10″Woofer
fS
52 Hz
SD
346 cm²
50 - 3000 Hz
QTS
0.31
xmax
5.0 mm
SPL1W
94 dB
Bl/√RE
6.49
Pmax
900 W
.jpg.webp)
10″Coaxial
fS
54 Hz
SD
346 cm²
60 - 4800 Hz
QTS
0.35
xmax
6.0 mm
SPL1W
94 dB
Bl/√RE
6.2
Pmax
400 W