RCF M15P550
Woofer
15″ / 381 mm
Nominal diameter
45 Hz
Resonance
0.37
Q factor
98 dB
Sensitivity
± 7 mm
Linear excursion
1000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
98.1
dB
Frequency response
40 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
4.00
Electrical quality factor
QES
0.41
Total quality factor
QTS
0.37
Large signal parameters
Maximum linear excursion
xmax
7.0
mm
Maximum excursion before damage
xlim
18.0
mm
Air volume displaced at xmax
VD
595
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
0.57
mH
VC Diameter
76
mm
Winding height
HVC
17
mm
Winding material
Edgewound aluminium
Magnet
Force factor
Bl
19.8
N/A
Motor constant
Bl/√RE
8.6
N/√W
Air gap height
HAG
10
mm
Diaphragm
Effective diameter
330
mm
Effective area
SD
850
cm²
Moving mass
MMS
89
g
Moving mass (without air load)
MMD
71.7
g
Suspensions
Stiffness
KMS
8.55
N/mm
Compliance
CMS
117
µm/N
Equivalent volume to the compliance
VAS
140
L
Mechanical resistance
RMS
6.29
N·s/m
Spider material
with silicon damping
Dimensions
Nominal diameter
15
″
381
mm
Overall diameter
387
mm
Baffle cutout diameter
360
mm
Overall depth
165
mm
Volume occupied by the driver
3.8
L
Net weight
8.7
kg
Export this driver to a simulation software:
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QSpeakers
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SpeakerbenchSimilar woofers to RCF M15P550
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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
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12″Guitar Speaker
fS
51 Hz
SD
532 cm²
60 - 4200 Hz
QTS
0.34
xmax
2.2 mm
SPL1W
99 dB
Bl/√RE
5.89
Pmax
400 W