Eighteen Sound 12W600
Low frequency
12″ / 300 mm
Nominal diameter
50 Hz
Resonance
0.3
Q factor
96 dB
Sensitivity
± 6.5 mm
Linear excursion
600 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.6
dB
Frequency response
48 - 3700
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
50.0
Hz
Mechanical quality factor
QMS
5.87
Electrical quality factor
QES
0.32
Total quality factor
QTS
0.30
Large signal parameters
Maximum linear excursion
xmax
6.5
mm
Maximum excursion before damage
xlim
17.0
mm
Air volume displaced at xmax
VD
345
cm³
Power handling
P
450
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
1.85
mH
VC Diameter
75
mm
Winding material
Aluminum
Magnet
Force factor
Bl
17.3
N/A
Motor constant
Bl/√RE
7.38
N/√W
Material
Ferrite
Diaphragm
Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
55
g
Moving mass (without air load)
MMD
46.2
g
Suspensions
Stiffness
KMS
5.46
N/mm
Compliance
CMS
183
µm/N
Equivalent volume to the compliance
VAS
73
L
Mechanical resistance
RMS
2.94
N·s/m
Dimensions
Nominal diameter
12
″
300
mm
Overall diameter
316
mm
Baffle cutout diameter
282
mm
Overall depth
134
mm
Flange thickness
12
mm
Mounting depth
122
mm
Volume occupied by the driver (estimated)
2.5
L
Net weight
5.7
kg
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SpeakerbenchSimilar subwoofers to Eighteen Sound 12W600
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12″Mid-range
fS
48 Hz
SD
530 cm²
45 - 4000 Hz
QTS
0.34
xmax
6.0 mm
SPL1W
96 dB
Bl/√RE
7.46
Pmax
1100 W
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15″Subwoofer
fS
45 Hz
SD
855 cm²
45 - 2000 Hz
QTS
0.30
xmax
8.0 mm
SPL1W
95 dB
Bl/√RE
12
Pmax
2000 W