12″ / 300 mm
Nominal diameter
49 Hz
Resonance
0.28
Q factor
96 dB
Sensitivity
± 8 mm
Linear excursion
1200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.0
dB
Frequency response
50 - 4600
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
49.0
Hz
Mechanical quality factor
QMS
7.00
Electrical quality factor
QES
0.30
Total quality factor
QTS
0.28
Large signal parameters
Maximum linear excursion
xmax
8.0
mm
Air volume displaced at xmax
VD
425
cm³
Power handling
P
600
W
Program power
Pmax
1200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
0.95
mH
VC Diameter
75
mm
Winding material
Aluminum
Magnet
Force factor
Bl
18.0
N/A
Motor constant
Bl/√RE
7.89
N/√W
Material
Ferrite
Diaphragm
Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
57
g
Moving mass (without air load)
MMD
48.4
g
Material
Weather protected
Suspensions
Stiffness
KMS
5.41
N/mm
Compliance
CMS
185
µm/N
Equivalent volume to the compliance
VAS
73
L
Mechanical resistance
RMS
2.51
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
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Export this driver to a simulation software:
WinISD
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QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to Eighteen Sound 12W750 8Ω
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12″Woofer
fS
52 Hz
SD
522 cm²
50 - 3000 Hz
QTS
0.30
xmax
4.5 mm
SPL1W
96 dB
Bl/√RE
7.46
Pmax
500 W
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12″Subwoofer
fS
45 Hz
SD
529 cm²
45 - 4000 Hz
QTS
0.25
xmax
7.5 mm
SPL1W
96 dB
Bl/√RE
7.75
Pmax
1000 W
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12″Woofer
fS
50 Hz
SD
522 cm²
50 - 2000 Hz
QTS
0.27
xmax
7.0 mm
SPL1W
96 dB
Bl/√RE
7.73
Pmax
800 W