Kartesian Lom120_vPA
Mid Bass
4.5″ / 120 mm
Nominal diameter
120 Hz
Resonance
0.39
Q factor
89 dB
Sensitivity
± 2.5 mm
Linear excursion
.jpg)
.jpg)
.jpg)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.7
dB
Frequency response
100 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
120
Hz
Mechanical quality factor
QMS
7.12
Electrical quality factor
QES
0.41
Total quality factor
QTS
0.39
Large signal parameters
Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
14
cm³
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.3
Ω
Inductance (1kHz)
LE
0.39
mH
Magnet
Force factor
Bl
8.7
N/A
Motor constant
Bl/√RE
3.47
N/√W
Diameter
55
mm
Height
27
mm
Diaphragm
Effective diameter
84
mm
Effective area
SD
55
cm²
Moving mass
MMS
6.5
g
Moving mass (without air load)
MMD
6.2
g
Suspensions
Stiffness
KMS
3.7
N/mm
Compliance
CMS
270
µm/N
Equivalent volume to the compliance
VAS
1.17
L
Mechanical resistance
RMS
0.69
N·s/m
Dimensions
Nominal diameter
4.5
″
120
mm
Overall size
106 x 106
mm
Baffle cutout diameter
100
mm
Overall depth
68
mm
Flange thickness
5
mm
Mounting depth
63
mm
Volume occupied by the driver (estimated)
0.21
L
.png)
.png)
.png)
.png)
.png)
.png)
.png)
Similar speaker drivers to Kartesian Lom120_vPA
.jpg.webp)
4″Coaxial
fS
102 Hz
SD
52 cm²
100 - 18000 Hz
QTS
0.32
xmax
2.0 mm
SPL1W
89 dB
Bl/√RE
3.22
Pmax
200 W
.jpg.webp)
4″Woofer
fS
118 Hz
SD
44 cm²
120 - 10000 Hz
QTS
0.39
xmax
2.2 mm
SPL1W
88 dB
Bl/√RE
2.43
Pmax
140 W
.jpg.webp)
4″Woofer
fS
104 Hz
SD
54 cm²
100 - 12000 Hz
QTS
0.30
xmax
4.0 mm
SPL1W
89 dB
Bl/√RE
3.51
Pmax
80 W