Eighteen Sound 12NW350

Subwoofer

12″ / 310 mm
Nominal diameter
54 Hz
Resonance
0.34
Q factor
95 dB
Sensitivity
± 8.3 mm
Linear excursion
1600 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
94.7
dB
Frequency response
50 - 3500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
54.0
Hz
Mechanical quality factor
QMS
12.00
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.34

Large signal parameters

Maximum linear excursion
xmax
8.3
mm
Air volume displaced at xmax
VD
441
cm³
Power handling
P
800
W
Program power
Pmax
1600
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.0
Ω
Inductance (1kHz)
LE
0.85
mH
VC Diameter
88
mm
Winding height
HVC
22
mm

Magnet

Force factor
Bl
19.2
N/A
Motor constant
Bl/√RE
8.59
N/√W
Air gap height
HAG
11
mm

Diaphragm

Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
75
g
Moving mass (without air load)
MMD
66.4
g
Material
Reinforced, water repellent

Suspensions

Stiffness
KMS
8.62
N/mm
Compliance
CMS
116
µm/N
Equivalent volume to the compliance
VAS
46
L
Mechanical resistance
RMS
2.12
N·s/m

Dimensions

Nominal diameter
12
310
mm
Overall diameter
310
mm
Baffle cutout diameter
283
mm
Overall depth
150
mm
Flange thickness
13
mm
Mounting depth
137
mm
Volume occupied by the driver (estimated)
2.5
L
Net weight
5.1
kg
Eighteen Sound 12NW350 Impedance
Eighteen Sound 12NW350 SPL
Eighteen Sound 12NW350 Dimensions

Export this driver to a simulation software:

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