Kartesian Sub120_vHE

Subwoofer

4.5″ / 120 mm
Nominal diameter
46 Hz
Resonance
0.42
Q factor
81 dB
Sensitivity
± 6.5 mm
Linear excursion
Kartesian Sub120_vHE SubwooferKartesian Sub120_vHE SubwooferKartesian Sub120_vHE Subwoofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
81.1
dB
Frequency response
45 - 3500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
46.0
Hz
Mechanical quality factor
QMS
5.40
Electrical quality factor
QES
0.45
Total quality factor
QTS
0.42

Large signal parameters

Maximum linear excursion
xmax
6.5
mm
Air volume displaced at xmax
VD
35
cm³

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.6
Ω
Inductance (1kHz)
LE
0.34
mH

Magnet

Force factor
Bl
7.3
N/A
Motor constant
Bl/√RE
2.84
N/√W
Diameter
56
mm
Height
39
mm

Diaphragm

Effective diameter
83
mm
Effective area
SD
54
cm²
Moving mass
MMS
12.6
g
Moving mass (without air load)
MMD
12.3
g

Suspensions

Stiffness
KMS
1.05
N/mm
Compliance
CMS
950
µm/N
Equivalent volume to the compliance
VAS
3.93
L
Mechanical resistance
RMS
0.67
N·s/m

Dimensions

Nominal diameter
4.5
″
120
mm
Overall diameter
120
mm
Baffle cutout diameter
98
mm
Overall depth
80
mm
Flange thickness
5
mm
Mounting depth
75
mm
Volume occupied by the driver (estimated)
0.31
L
SPL & Impedance
Distortion
Force factor
Inductance
Stiffness
Kartesian Sub120_vHE SPL & Impedance
Kartesian Sub120_vHE Distortion
Kartesian Sub120_vHE Force factor
Kartesian Sub120_vHE Inductance
Kartesian Sub120_vHE Stiffness
Kartesian Sub120_vHE Dimensions

Export this driver to a simulation software:

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