ATOHM LD230CR04

4Ω
8Ω

Woofer

10″ / 230 mm
Nominal diameter
31 Hz
Resonance
0.24
Q factor
88 dB
Sensitivity
± 10 mm
Linear excursion
600 W
Program Power
ATOHM LD230CR04 WooferATOHM LD230CR04 WooferATOHM LD230CR04 Woofer
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
87.5
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
31.2
Hz
Mechanical quality factor
QMS
9.90
Electrical quality factor
QES
0.24
Total quality factor
QTS
0.24

Large signal parameters

Maximum linear excursion
xmax
10.0
mm
Maximum excursion before damage
xlim
18.0
mm
Air volume displaced at xmax
VD
255
cm³
Power handling
P
300
W
Program power
Pmax
600
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
4.3
Ω
Inductance (1kHz)
LE
1.9
mH
VC Diameter
50
mm
Winding height
HVC
30
mm

Magnet

Flux density
B
1.0
T
Force factor
Bl
16.5
N/A
Motor constant
Bl/√RE
7.96
N/√W
Air gap height
HAG
8
mm

Diaphragm

Effective diameter
180
mm
Effective area
SD
255
cm²
Moving mass
MMS
79.4
g
Moving mass (without air load)
MMD
76.4
g

Suspensions

Stiffness
KMS
3.03
N/mm
Compliance
CMS
330
µm/N
Equivalent volume to the compliance
VAS
24.4
L
Mechanical resistance
RMS
1.57
N·s/m

Dimensions

Nominal diameter
10
″
230
mm
Volume occupied by the driver (estimated)
1.2
L
SPL
ATOHM LD230CR04 SPL
ATOHM LD230CR04 Dimensions
DatasheetDatasheet

Export this driver to a simulation software:

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SD
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