Eighteen Sound 12W750

Subwoofer

12″ / 300 mm
Nominal diameter
55 Hz
Resonance
0.27
Q factor
97 dB
Sensitivity
± 7 mm
Linear excursion
1200 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
96.5
dB
Frequency response
50 - 4600
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
55.0
Hz
Mechanical quality factor
QMS
5.00
Electrical quality factor
QES
0.28
Total quality factor
QTS
0.27

Large signal parameters

Maximum linear excursion
xmax
7.0
mm
Air volume displaced at xmax
VD
372
cm³
Power handling
P
600
W
Program power
Pmax
1200
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.4
Ω
Inductance (1kHz)
LE
0.56
mH
VC Diameter
75
mm
Winding height
HVC
19
mm
Winding material
Aluminum

Magnet

Force factor
Bl
15.5
N/A
Motor constant
Bl/√RE
8.41
N/√W
Air gap height
HAG
10
mm
Material
Ferrite

Diaphragm

Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
58
g
Moving mass (without air load)
MMD
49.4
g
Material
Weather protected

Suspensions

Stiffness
KMS
6.94
N/mm
Compliance
CMS
144
µm/N
Equivalent volume to the compliance
VAS
58
L
Mechanical resistance
RMS
4.01
N·s/m

Dimensions

Nominal diameter
12
300
mm
Overall diameter
310
mm
Baffle cutout diameter
280
mm
Overall depth
148
mm
Flange thickness
11
mm
Mounting depth
137
mm
Volume occupied by the driver (estimated)
3.1
L
Net weight
7.5
kg
Eighteen Sound 12W750 Impedance
Eighteen Sound 12W750 SPL
Eighteen Sound 12W750 Dimensions

Export this driver to a simulation software:

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