5.5″ / 145 mm
Nominal diameter
44 Hz
Resonance
0.42
Q factor
86 dB
Sensitivity
± 6 mm
Linear excursion
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
86.1
dB
Frequency response
43 - 3500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
44.0
Hz
Mechanical quality factor
QMS
4.20
Electrical quality factor
QES
0.47
Total quality factor
QTS
0.42
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Air volume displaced at xmax
VD
51
cm³
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
4.8
Ω
Inductance (1kHz)
LE
0.2
mH
Magnet
Force factor
Bl
4.92
N/A
Motor constant
Bl/√RE
2.25
N/√W
Diaphragm
Effective diameter
104
mm
Effective area
SD
85
cm²
Moving mass
MMS
8.6
g
Moving mass (without air load)
MMD
8
g
Suspensions
Stiffness
KMS
0.66
N/mm
Compliance
CMS
1521
µm/N
Equivalent volume to the compliance
VAS
15.6
L
Mechanical resistance
RMS
0.57
N·s/m
Dimensions
Nominal diameter
5.5
″
145
mm
Overall diameter
144
mm
Baffle cutout diameter
124
mm
Overall depth
69
mm
Flange thickness
5
mm
Mounting depth
64
mm
Volume occupied by the driver (estimated)
0.32
L
Similar woofers to Kartesian Wom145_vHE
6″Woofer
fS
43 Hz
SD
119 cm²
QTS
0.46
xmax
4.3 mm
SPL1W
86 dB
Bl/√RE
2.89
Pmax
300 W
6.5″Mid Bass
fS
43 Hz
SD
120 cm²
QTS
0.45
xmax
5.5 mm
SPL1W
85 dB
Bl/√RE
3.52
Pmax
300 W
6.5″Mid Bass
fS
45 Hz
SD
119 cm²
40 - 4000 Hz
QTS
0.40
xmax
4.6 mm
SPL1W
87 dB
Bl/√RE
3.06
Pmax
100 W