8″ / 185 mm
Nominal diameter
36 Hz
Resonance
0.29
Q factor
90 dB
Sensitivity
± 10 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.7
dB
Frequency response
35 - 2200
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
36.0
Hz
Mechanical quality factor
QMS
8.80
Electrical quality factor
QES
0.30
Total quality factor
QTS
0.29
Large signal parameters
Maximum linear excursion
xmax
10.0
mm
Air volume displaced at xmax
VD
194
cm³
Power handling
P
125
W
Program power
Pmax
250
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.5
Ω
Inductance (1kHz)
LE
0.16
mH
Magnet
Force factor
Bl
11.66
N/A
Motor constant
Bl/√RE
4.57
N/√W
Diameter
120
mm
Height
64
mm
Diaphragm
Effective diameter
157
mm
Effective area
SD
194
cm²
Moving mass
MMS
28
g
Moving mass (without air load)
MMD
26.1
g
Suspensions
Stiffness
KMS
1.43
N/mm
Compliance
CMS
698
µm/N
Equivalent volume to the compliance
VAS
37.1
L
Mechanical resistance
RMS
0.72
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
Similar woofers to Kartesian Wom185_vKi
8″Mid Bass
fS
38 Hz
SD
194 cm²
40 - 2000 Hz
QTS
0.32
xmax
10.0 mm
SPL1W
90 dB
Bl/√RE
4.52
Pmax
250 W
7.5″Mid Bass
fS
32 Hz
SD
158 cm²
QTS
0.28
xmax
6.8 mm
SPL1W
89 dB
Bl/√RE
3.53
Pmax
140 W
8″Woofer
fS
33 Hz
SD
168 cm²
33 - 5000 Hz
QTS
0.25
xmax
6.0 mm
SPL1W
90 dB
Bl/√RE
3.74
Pmax
300 W