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
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
Discard
Apply
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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