MONACOR SPA-115PA
Woofer
15″ / 388 mm
Nominal diameter
40 Hz
Resonance
0.4
Q factor
96 dB
Sensitivity
± 4 mm
Linear excursion
500 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.1
dB
Frequency response
40 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
40.0
Hz
Mechanical quality factor
QMS
12.97
Electrical quality factor
QES
0.41
Total quality factor
QTS
0.40
Large signal parameters
Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
342
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
1.4
mH
VC Diameter
75
mm
Winding material
Kapton
Magnet
Force factor
Bl
16.3
N/A
Motor constant
Bl/√RE
6.77
N/√W
Diameter
170
mm
Weight
1.6
kg
Diaphragm
Effective diameter
330
mm
Effective area
SD
855
cm²
Moving mass
MMS
75
g
Moving mass (without air load)
MMD
57.6
g
Suspensions
Stiffness
KMS
5.56
N/mm
Compliance
CMS
180
µm/N
Equivalent volume to the compliance
VAS
184
L
Mechanical resistance
RMS
1.45
N·s/m
Dimensions
Nominal diameter
15
″
388
mm
Overall diameter
388
mm
Baffle cutout diameter
352
mm
Overall depth
158
mm
Flange thickness
12
mm
Mounting depth
146
mm
Volume occupied by the driver (estimated)
3.3
L
Net weight
6.23
kg
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15″Bass Guitar Speaker
fS
45 Hz
SD
855 cm²
QTS
0.46
xmax
5.5 mm
SPL1W
96 dB
Bl/√RE
6.74
Pmax
700 W
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15″Bass Guitar Speaker
fS
42 Hz
SD
856 cm²
54 - 3700 Hz
QTS
0.38
xmax
4.8 mm
SPL1W
97 dB
Bl/√RE
6.83
Pmax
600 W
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15″Low frequency
fS
40 Hz
SD
860 cm²
30 - 4000 Hz
QTS
0.42
xmax
6.0 mm
SPL1W
97 dB
Bl/√RE
6.29
Pmax
800 W