D.A.S. Audio 15P
Low frequency
15″ / 381 mm
Nominal diameter
40 Hz
Resonance
0.42
Q factor
97 dB
Sensitivity
± 6 mm
Linear excursion
800 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.0
dB
Frequency response
30 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
40.0
Hz
Mechanical quality factor
QMS
6.85
Electrical quality factor
QES
0.45
Total quality factor
QTS
0.42
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Maximum excursion before damage
xlim
11.0
mm
Air volume displaced at xmax
VD
516
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.4
Ω
Inductance (1kHz, estimated)
LE
1.18
mH
VC Diameter
77
mm
Winding height
HVC
15
mm
Winding material
Copper
Former material
Glass Fibre Reinforced Polymer
Magnet
Force factor
Bl
15.9
N/A
Motor constant
Bl/√RE
6.29
N/√W
Air gap height
HAG
7
mm
Material
Ferrite
Diaphragm
Effective diameter
331
mm
Effective area
SD
860
cm²
Moving mass
MMS
70
g
Moving mass (without air load)
MMD
52.8
g
Suspensions
Stiffness
KMS
4.51
N/mm
Compliance
CMS
222
µm/N
Equivalent volume to the compliance
VAS
233
L
Mechanical resistance
RMS
2.57
N·s/m
Surround material
Polycotton
Spider material
Polycotton
Dimensions
Nominal diameter
15
″
381
mm
Baffle cutout diameter
359
mm
Volume occupied by the driver (estimated)
4.3
L
Frame material
Injected Aluminum
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fS
42 Hz
SD
856 cm²
54 - 4200 Hz
QTS
0.40
xmax
4.3 mm
SPL1W
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Bl/√RE
6.07
Pmax
800 W
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15″Mid Bass
fS
40 Hz
SD
897 cm²
40 - 5000 Hz
QTS
0.49
xmax
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SPL1W
96 dB
Bl/√RE
6.44
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fS
38 Hz
SD
1225 cm²
35 - 1000 Hz
QTS
0.44
xmax
6.5 mm
SPL1W
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Bl/√RE
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