Eighteen Sound 8MB400

Woofer

8″ / 200 mm
Nominal diameter
64 Hz
Resonance
0.38
Q factor
93 dB
Sensitivity
± 5.8 mm
Linear excursion
400 W
Program Power
Eighteen Sound 8MB400 Woofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
93.1
dB
Frequency response
55 - 5200
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
64.0
Hz
Mechanical quality factor
QMS
3.23
Electrical quality factor
QES
0.43
Total quality factor
QTS
0.38

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
50
mm
Winding material
Aluminum

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
Weather protected

Suspensions

Stiffness
KMS
2.91
N/mm
Compliance
CMS
344
µm/N
Equivalent volume to the compliance
VAS
23.9
L
Mechanical resistance
RMS
2.24
N·s/m

Dimensions

Nominal diameter
8
″
200
mm
Overall diameter
210
mm
Baffle cutout diameter
186
mm
Overall depth
99
mm
Flange thickness
14
mm
Mounting depth
85
mm
Volume occupied by the driver (estimated)
1.2
L
Net weight
3.6
kg
Impedance
SPL
Eighteen Sound 8MB400 Impedance
Eighteen Sound 8MB400 SPL
Eighteen Sound 8MB400 Dimensions
DatasheetDatasheet

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

Similar woofers to Eighteen Sound 8MB400