Kartesian Sub120_vHP
Subwoofer
4.5″ / 120 mm
Nominal diameter
46 Hz
Resonance
0.33
Q factor
81 dB
Sensitivity
± 6 mm
Linear excursion
.jpg)
.jpg)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
81.0
dB
Frequency response
48 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
46.0
Hz
Mechanical quality factor
QMS
2.52
Electrical quality factor
QES
0.39
Total quality factor
QTS
0.33
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Air volume displaced at xmax
VD
32
cm³
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.8
Ω
Inductance (1kHz)
LE
0.76
mH
Magnet
Force factor
Bl
8.6
N/A
Motor constant
Bl/√RE
3.3
N/√W
Diameter
90
mm
Height
40
mm
Diaphragm
Effective diameter
83
mm
Effective area
SD
54
cm²
Moving mass
MMS
14.5
g
Moving mass (without air load)
MMD
14.2
g
Suspensions
Stiffness
KMS
1.21
N/mm
Compliance
CMS
827
µm/N
Equivalent volume to the compliance
VAS
3.38
L
Mechanical resistance
RMS
1.66
N·s/m
Dimensions
Nominal diameter
4.5
″
120
mm
Overall diameter
120
mm
Baffle cutout diameter
98
mm
Overall depth
81
mm
Flange thickness
5
mm
Mounting depth
76
mm
Volume occupied by the driver (estimated)
0.31
L
.png)
.png)
.png)
.png)
.png)
.png)
.png)
Similar subwoofers to Kartesian Sub120_vHP
.jpg.webp)
4.5″Coaxial
fS
55 Hz
SD
47 cm²
60 - 25000 Hz
QTS
0.30
xmax
3.0 mm
SPL1W
83 dB
Bl/√RE
3.12
Pmax
250 W
.png.webp)
3″Subwoofer
fS
50 Hz
SD
39 cm²
50 - 800 Hz
QTS
0.37
xmax
5.0 mm
SPL1W
80 dB
Bl/√RE
3.09
Pmax
40 W
.jpg.webp)
4″Woofer
fS
54 Hz
SD
50 cm²
55 - 5000 Hz
QTS
0.35
xmax
4.0 mm
SPL1W
83 dB
Bl/√RE
2.91
Pmax
80 W