D.A.S. Audio 15SX
Low frequency
15″ / 381 mm
Nominal diameter
35 Hz
Resonance
0.35
Q factor
94 dB
Sensitivity
± 8 mm
Linear excursion
1600 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.7
dB
Frequency response
35 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
34.5
Hz
Mechanical quality factor
QMS
12.71
Electrical quality factor
QES
0.36
Total quality factor
QTS
0.35
Large signal parameters
Maximum linear excursion
xmax
8.0
mm
Air volume displaced at xmax
VD
718
cm³
Power handling
P
800
W
Program power
Pmax
1600
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.1
Ω
Inductance (1kHz)
LE
2.05
mH
VC Diameter
102
mm
Winding material
Copper
Magnet
Force factor
Bl
23.82
N/A
Motor constant
Bl/√RE
9.64
N/√W
Material
Ferrite
Diaphragm
Effective diameter
338
mm
Effective area
SD
897
cm²
Moving mass
MMS
157.5
g
Moving mass (without air load)
MMD
139.5
g
Suspensions
Stiffness
KMS
7.41
N/mm
Compliance
CMS
135
µm/N
Equivalent volume to the compliance
VAS
154
L
Mechanical resistance
RMS
2.69
N·s/m
Dimensions
Nominal diameter
15
″
381
mm
Volume occupied by the driver (estimated)
4.3
L
Frame material
Injected Aluminum
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SD
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SD
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