15″ / 380 mm
Nominal diameter
43 Hz
Resonance
0.35
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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.2
dB
Frequency response
45 - 4800
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
43.0
Hz
Mechanical quality factor
QMS
6.20
Electrical quality factor
QES
0.37
Total quality factor
QTS
0.35
Large signal parameters
Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
383
cm³
Power handling
P
400
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.0
Ω
Inductance (1kHz)
LE
1.3
mH
VC Diameter
75
mm
Magnet
Force factor
Bl
15.1
N/A
Motor constant
Bl/√RE
6.75
N/√W
Diaphragm
Effective diameter
329
mm
Effective area
SD
850
cm²
Moving mass
MMS
63
g
Moving mass (without air load)
MMD
45.7
g
Material
Weather protected
Suspensions
Stiffness
KMS
4.61
N/mm
Compliance
CMS
217
µm/N
Equivalent volume to the compliance
VAS
223
L
Mechanical resistance
RMS
2.75
N·s/m
Dimensions
Nominal diameter
15
″
380
mm
Overall diameter
387
mm
Baffle cutout diameter
353
mm
Overall depth
171
mm
Flange thickness
19
mm
Mounting depth
152
mm
Volume occupied by the driver (estimated)
3.7
L
Net weight
6.7
kg
Similar subwoofers to Eighteen Sound 15MB606
15″Bass Guitar Speaker
fS
42 Hz
SD
856 cm²
54 - 3700 Hz
QTS
0.38
xmax
4.8 mm
SPL1W
97 dB
Bl/√RE
6.83
Pmax
600 W
15″Woofer
fS
40 Hz
SD
855 cm²
40 - 3000 Hz
QTS
0.40
xmax
4.0 mm
SPL1W
96 dB
Bl/√RE
6.77
Pmax
500 W
15″Low frequency
fS
42 Hz
SD
881 cm²
40 - 4000 Hz
QTS
0.36
xmax
4.8 mm
SPL1W
98 dB
Bl/√RE
7.49
Pmax
1000 W