RCF MB15N301
Woofer
15″ / 381 mm
Nominal diameter
48 Hz
Resonance
0.37
Q factor
97 dB
Sensitivity
± 6 mm
Linear excursion
1000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.1
dB
Frequency response
40 - 3500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
48.0
Hz
Mechanical quality factor
QMS
4.60
Electrical quality factor
QES
0.39
Total quality factor
QTS
0.37
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Maximum excursion before damage
xlim
20.0
mm
Air volume displaced at xmax
VD
540
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
0.9
mH
VC Diameter
76
mm
Winding height
HVC
17
mm
Winding material
Copper
Former material
Glass Fiber
Magnet
Force factor
Bl
19.2
N/A
Motor constant
Bl/√RE
7.97
N/√W
Air gap height
HAG
10
mm
Diaphragm
Effective diameter
330
mm
Effective area
SD
900
cm²
Moving mass
MMS
90
g
Moving mass (without air load)
MMD
71.6
g
Suspensions
Stiffness
KMS
7.46
N/mm
Compliance
CMS
134
µm/N
Equivalent volume to the compliance
VAS
134
L
Mechanical resistance
RMS
5.9
N·s/m
Dimensions
Nominal diameter
15
″
381
mm
Overall diameter
388
mm
Baffle cutout diameter
358
mm
Overall depth
165
mm
Volume occupied by the driver
3.0
L
Net weight
3.7
kg
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MfbLabs
SpeakerbenchSimilar woofers to RCF MB15N301
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15″Low frequency
fS
44 Hz
SD
855 cm²
40 - 3500 Hz
QTS
0.36
xmax
4.3 mm
SPL1W
97 dB
Bl/√RE
7.93
Pmax
600 W
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15″Low frequency
fS
47 Hz
SD
855 cm²
40 - 4000 Hz
QTS
0.41
xmax
4.8 mm
SPL1W
98 dB
Bl/√RE
7.94
Pmax
1100 W
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15″Woofer
fS
45 Hz
SD
856 cm²
40 - 4000 Hz
QTS
0.34
xmax
5.9 mm
SPL1W
98 dB
Bl/√RE
8.1
Pmax
900 W