Eighteen Sound 12W700
Subwoofer
12″ / 300 mm
Nominal diameter
58 Hz
Resonance
0.36
Q factor
96 dB
Sensitivity
± 6.5 mm
Linear excursion
700 W
Program Power
.jpg)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.2
dB
Frequency response
55 - 4200
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
58.0
Hz
Mechanical quality factor
QMS
3.93
Electrical quality factor
QES
0.37
Total quality factor
QTS
0.36
Large signal parameters
Maximum linear excursion
xmax
6.5
mm
Air volume displaced at xmax
VD
345
cm³
Power handling
P
450
W
Program power
Pmax
700
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.7
Ω
Inductance (1kHz)
LE
1.48
mH
VC Diameter
75
mm
Winding material
Aluminum
Magnet
Force factor
Bl
17.7
N/A
Motor constant
Bl/√RE
7.41
N/√W
Material
Ferrite
Diaphragm
Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
51
g
Moving mass (without air load)
MMD
42.2
g
Material
Weather protected
Suspensions
Stiffness
KMS
6.76
N/mm
Compliance
CMS
148
µm/N
Equivalent volume to the compliance
VAS
55
L
Mechanical resistance
RMS
4.73
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)
3.3
L
Net weight
8.2
kg
.png)
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to Eighteen Sound 12W700
.jpg.webp)
12″Mid-range
fS
57 Hz
SD
573 cm²
60 - 5000 Hz
QTS
0.33
xmax
6.6 mm
SPL1W
96 dB
Bl/√RE
8.47
Pmax
2000 W
.jpg.webp)
12″Subwoofer
fS
55 Hz
SD
531 cm²
53 - 5000 Hz
QTS
0.28
xmax
6.5 mm
SPL1W
97 dB
Bl/√RE
7.37
Pmax
700 W
.png.webp)
12″Coaxial
fS
57 Hz
SD
531 cm²
60 - 4000 Hz
QTS
0.30
xmax
6.9 mm
SPL1W
97 dB
Bl/√RE
7.86
Pmax
900 W