Eighteen Sound 12MB700 16Ω

16Ω

Woofer

12″ / 300 mm
Nominal diameter
46 Hz
Resonance
0.25
Q factor
97 dB
Sensitivity
± 4.5 mm
Linear excursion
600 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
96.9
dB
Frequency response
60 - 5000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
46.0
Hz
Mechanical quality factor
QMS
7.27
Electrical quality factor
QES
0.26
Total quality factor
QTS
0.25

Large signal parameters

Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
239
cm³
Power handling
P
450
W
Program power
Pmax
600
W

Voice Coil

Nominal impedance
Z
16
Ω
DC resistance
RE
9.5
Ω
Inductance (1kHz)
LE
1.84
mH
VC Diameter
75
mm

Magnet

Force factor
Bl
22.1
N/A
Motor constant
Bl/√RE
7.17
N/√W

Diaphragm

Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
46
g
Moving mass (without air load)
MMD
37.2
g

Suspensions

Stiffness
KMS
3.85
N/mm
Compliance
CMS
260
µm/N
Equivalent volume to the compliance
VAS
100
L
Mechanical resistance
RMS
1.83
N·s/m

Dimensions

Nominal diameter
12
300
mm
Overall diameter
315
mm
Baffle cutout diameter
282
mm
Overall depth
147
mm
Flange thickness
16
mm
Mounting depth
131
mm
Volume occupied by the driver (estimated)
3.4
L
Net weight
8.3
kg
Eighteen Sound 12MB700 16Ω Impedance
Eighteen Sound 12MB700 16Ω SPL
Eighteen Sound 12MB700 16Ω Dimensions

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