Eighteen Sound 12NMB1000

Mid Bass

12″ / 300 mm
Nominal diameter
54 Hz
Resonance
0.19
Q factor
98 dB
Sensitivity
± 3.5 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
98.3
dB
Frequency response
60 - 3000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
54.0
Hz
Mechanical quality factor
QMS
8.40
Electrical quality factor
QES
0.19
Total quality factor
QTS
0.19

Large signal parameters

Maximum linear excursion
xmax
3.5
mm
Air volume displaced at xmax
VD
186
cm³
Power handling
P
600
W
Program power
Pmax
1200
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
0.69
mH
VC Diameter
100
mm
Winding material
Copper

Magnet

Force factor
Bl
24.4
N/A
Motor constant
Bl/√RE
10.4
N/√W
Material
Neodymium

Diaphragm

Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
61
g
Moving mass (without air load)
MMD
52.2
g
Material
Weather protected

Suspensions

Stiffness
KMS
7.04
N/mm
Compliance
CMS
142
µm/N
Equivalent volume to the compliance
VAS
58
L
Mechanical resistance
RMS
2.46
N·s/m

Dimensions

Nominal diameter
12
300
mm
Overall diameter
315
mm
Baffle cutout diameter
282
mm
Overall depth
116
mm
Flange thickness
18
mm
Mounting depth
98
mm
Volume occupied by the driver (estimated)
2.2
L
Net weight
5.6
kg
Eighteen Sound 12NMB1000 Impedance
Eighteen Sound 12NMB1000 SPL
Eighteen Sound 12NMB1000 Dimensions

Export this driver to a simulation software:

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