Eighteen Sound 15MB700
Mid Bass
15″ / 380 mm
Nominal diameter
42 Hz
Resonance
0.29
Q factor
98 dB
Sensitivity
± 5.5 mm
Linear excursion
600 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.5
dB
Frequency response
45 - 4300
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
42.0
Hz
Mechanical quality factor
QMS
4.60
Electrical quality factor
QES
0.31
Total quality factor
QTS
0.29
Large signal parameters
Maximum linear excursion
xmax
5.5
mm
Air volume displaced at xmax
VD
468
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
1.2
mH
VC Diameter
75
mm
Winding material
Aluminum
Magnet
Force factor
Bl
17.6
N/A
Motor constant
Bl/√RE
7.87
N/√W
Material
Ferrite
Diaphragm
Effective diameter
329
mm
Effective area
SD
850
cm²
Moving mass
MMS
73
g
Moving mass (without air load)
MMD
55.7
g
Material
Weather protected
Suspensions
Stiffness
KMS
5.08
N/mm
Compliance
CMS
197
µm/N
Equivalent volume to the compliance
VAS
202
L
Mechanical resistance
RMS
4.19
N·s/m
Dimensions
Nominal diameter
15
″
380
mm
Overall diameter
387
mm
Baffle cutout diameter
353
mm
Overall depth
167
mm
Flange thickness
19
mm
Mounting depth
148
mm
Volume occupied by the driver (estimated)
4.2
L
Net weight
8.3
kg
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fS
44 Hz
SD
1210 cm²
440 - 18000 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
11
Pmax
1600 W
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15″Guitar Speaker
fS
42 Hz
SD
865 cm²
42 - 2900 Hz
QTS
0.31
xmax
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SPL1W
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Bl/√RE
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Pmax
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fS
44 Hz
SD
880 cm²
40 - 20000 Hz
QTS
0.23
xmax
5.5 mm
SPL1W
97 dB
Bl/√RE
7.97
Pmax
1400 W