Kartesian Lom185_vKi

Mid Bass

8″ / 185 mm
Nominal diameter
40 Hz
Resonance
0.25
Q factor
91 dB
Sensitivity
± 8 mm
Linear excursion
300 W
Program Power
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
90.6
dB
Frequency response
55 - 3000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
40.0
Hz
Mechanical quality factor
QMS
7.60
Electrical quality factor
QES
0.26
Total quality factor
QTS
0.25

Large signal parameters

Maximum linear excursion
xmax
8.0
mm
Air volume displaced at xmax
VD
155
cm³
Power handling
P
150
W
Program power
Pmax
300
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.9
Ω
Inductance (1kHz)
LE
0.1
mH
VC Diameter
79
mm
Winding material
Copper

Magnet

Force factor
Bl
10.45
N/A
Motor constant
Bl/√RE
5.29
N/√W
Diameter
120
mm
Height
64
mm
Material
NdFeB (grade N40H)

Diaphragm

Effective diameter
157
mm
Effective area
SD
194
cm²
Moving mass
MMS
29
g
Moving mass (without air load)
MMD
27.1
g
Material
hexaKone paper cone

Suspensions

Stiffness
KMS
1.83
N/mm
Compliance
CMS
547
µm/N
Equivalent volume to the compliance
VAS
29
L
Mechanical resistance
RMS
0.96
N·s/m
Surround material
Low lost NBR

Dimensions

Nominal diameter
8
185
mm
Overall diameter
185
mm
Volume occupied by the driver (estimated)
1.8
L
Net weight
4.12
kg
Frame material
Injected aluminium (ACD12)
Kartesian Lom185_vKi SPL & Impedance
Kartesian Lom185_vKi Distortion
Kartesian Lom185_vKi Force factor
Kartesian Lom185_vKi Inductance
Kartesian Lom185_vKi Step response
Kartesian Lom185_vKi Stiffness
Kartesian Lom185_vKi Dimensions

Export this driver to a simulation software:

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