RCF MB15X351
Woofer
15″ / 381 mm
Nominal diameter
46 Hz
Resonance
0.31
Q factor
97 dB
Sensitivity
± 7 mm
Linear excursion
1400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.4
dB
Frequency response
40 - 2500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
46.0
Hz
Mechanical quality factor
QMS
6.70
Electrical quality factor
QES
0.33
Total quality factor
QTS
0.31
Large signal parameters
Maximum linear excursion
xmax
7.0
mm
Maximum excursion before damage
xlim
20.0
mm
Air volume displaced at xmax
VD
630
cm³
Power handling
P
700
W
Program power
Pmax
1400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
0.9
mH
VC Diameter
89
mm
Winding height
HVC
19
mm
Winding material
Copper
Former material
Glass Fiber
Magnet
Force factor
Bl
22.8
N/A
Motor constant
Bl/√RE
9.81
N/√W
Air gap height
HAG
10
mm
Diaphragm
Effective diameter
330
mm
Effective area
SD
900
cm²
Moving mass
MMS
106
g
Moving mass (without air load)
MMD
87.4
g
Suspensions
Stiffness
KMS
9.17
N/mm
Compliance
CMS
109
µm/N
Equivalent volume to the compliance
VAS
114
L
Mechanical resistance
RMS
4.57
N·s/m
Spider material
with silicon damping
Dimensions
Nominal diameter
15
″
381
mm
Overall diameter
393
mm
Baffle cutout diameter
354
mm
Overall depth
167
mm
Volume occupied by the driver
4.5
L
Net weight
8.2
kg
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Export this driver to a simulation software:
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QSpeakers
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MfbLabs
SpeakerbenchSimilar woofers to RCF MB15X351
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15″Subwoofer
fS
45 Hz
SD
830 cm²
45 - 3500 Hz
QTS
0.29
xmax
7.8 mm
SPL1W
97 dB
Bl/√RE
9.45
Pmax
1000 W
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15″Coaxial
fS
47 Hz
SD
855 cm²
45 - 18000 Hz
QTS
0.30
xmax
8.5 mm
SPL1W
97 dB
Bl/√RE
9.39
Pmax
1000 W
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15″Subwoofer
fS
48 Hz
SD
830 cm²
45 - 3500 Hz
QTS
0.34
xmax
6.8 mm
SPL1W
98 dB
Bl/√RE
8.92
Pmax
1400 W