Kartesian Sub185_vKi

Subwoofer

8″ / 185 mm
Nominal diameter
28 Hz
Resonance
0.32
Q factor
86 dB
Sensitivity
± 15 mm
Linear excursion
250 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
85.9
dB
Frequency response
25 - 1500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
28.0
Hz
Mechanical quality factor
QMS
6.80
Electrical quality factor
QES
0.33
Total quality factor
QTS
0.32

Large signal parameters

Maximum linear excursion
xmax
15.0
mm
Air volume displaced at xmax
VD
269
cm³
Power handling
P
125
W
Program power
Pmax
250
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
0.38
mH

Magnet

Force factor
Bl
10.1
N/A
Motor constant
Bl/√RE
4.43
N/√W
Diameter
120
mm
Height
64
mm

Diaphragm

Effective diameter
151
mm
Effective area
SD
179
cm²
Moving mass
MMS
37
g
Moving mass (without air load)
MMD
35.3
g

Suspensions

Stiffness
KMS
1.14
N/mm
Compliance
CMS
874
µm/N
Equivalent volume to the compliance
VAS
39.7
L
Mechanical resistance
RMS
0.96
N·s/m

Dimensions

Nominal diameter
8
185
mm
Overall diameter
185
mm
Baffle cutout diameter
168
mm
Overall depth
129
mm
Flange thickness
7
mm
Mounting depth
122
mm
Volume occupied by the driver (estimated)
1.0
L
Kartesian Sub185_vKi SPL & Impedance
Kartesian Sub185_vKi Distortion
Kartesian Sub185_vKi Force factor
Kartesian Sub185_vKi Inductance
Kartesian Sub185_vKi Step response
Kartesian Sub185_vKi Stiffness
Kartesian Sub185_vKi Dimensions

Export this driver to a simulation software:

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fS
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SD
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