KICKER Competition Gold 50GOLD124
Subwoofer
12″ / 300 mm
Nominal diameter
37 Hz
Resonance
0.7
Q factor
87 dB
Sensitivity
± 17.5 mm
Linear excursion
1000 W
Program Power
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Sensitivity (1W, 1m, infinite baffle)
SPL1W
87.2
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
37.1
Hz
Mechanical quality factor
QMS
10.05
Electrical quality factor
QES
0.76
Total quality factor
QTS
0.70
Large signal parameters
Maximum linear excursion
xmax
17.5
mm
Air volume displaced at xmax
VD
887
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
7.0
Ω
Inductance (1kHz, in series)
LE
4.96
mH
Magnet
Force factor (in series)
Bl
18.51
N/A
Motor constant
Bl/√RE
6.99
N/√W
Diaphragm
Effective diameter
254
mm
Effective area
SD
507
cm²
Moving mass
MMS
159.1
g
Moving mass (without air load)
MMD
151.1
g
Suspensions
Stiffness
KMS
8.61
N/mm
Compliance
CMS
116
µm/N
Equivalent volume to the compliance
VAS
42.2
L
Mechanical resistance
RMS
3.685
N·s/m
Dimensions
Nominal diameter
12
″
300
mm
Baffle cutout diameter
279
mm
Mounting depth
145
mm
Volume occupied by the driver (estimated)
2.3
L
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