Eighteen Sound 12LW1400

Subwoofer

12″ / 300 mm
Nominal diameter
45 Hz
Resonance
0.3
Q factor
93 dB
Sensitivity
± 8.25 mm
Linear excursion
1400 W
Program Power
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
93.4
dB
Frequency response
51 - 4000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
5.00
Electrical quality factor
QES
0.32
Total quality factor
QTS
0.30

Large signal parameters

Maximum linear excursion
xmax
8.25
mm
Air volume displaced at xmax
VD
438
cm³
Power handling
P
900
W
Program power
Pmax
1400
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
1.5
mH
VC Diameter
100
mm
Winding material
Aluminum

Magnet

Force factor
Bl
20.0
N/A
Motor constant
Bl/√RE
8.77
N/√W
Material
Ferrite

Diaphragm

Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
88
g
Moving mass (without air load)
MMD
79.2
g
Material
Weather protected

Suspensions

Stiffness
KMS
7.04
N/mm
Compliance
CMS
142
µm/N
Equivalent volume to the compliance
VAS
55
L
Mechanical resistance
RMS
4.98
N·s/m

Dimensions

Nominal diameter
12
300
mm
Overall diameter
315
mm
Baffle cutout diameter
282
mm
Overall depth
141
mm
Flange thickness
17
mm
Mounting depth
124
mm
Volume occupied by the driver (estimated)
3.9
L
Net weight
10.9
kg
Eighteen Sound 12LW1400 Impedance
Eighteen Sound 12LW1400 SPL
Eighteen Sound 12LW1400 Dimensions

Export this driver to a simulation software:

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Similar subwoofers to Eighteen Sound 12LW1400

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12Low frequency
fS
40 Hz
SD
540 cm²
45 - 3000 Hz
QTS
0.26
xmax
6.0 mm
SPL1W
94 dB
Bl/√RE
9.39
Pmax
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