D.A.S. Audio 15H
Low frequency
15″ / 381 mm
Nominal diameter
35 Hz
Resonance
0.29
Q factor
96 dB
Sensitivity
± 6 mm
Linear excursion
1200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.8
dB
Frequency response
35 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
35.0
Hz
Mechanical quality factor
QMS
6.54
Electrical quality factor
QES
0.30
Total quality factor
QTS
0.29
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Maximum excursion before damage
xlim
12.0
mm
Air volume displaced at xmax
VD
516
cm³
Power handling
P
600
W
Program power
Pmax
1200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.1
Ω
Inductance (1kHz, estimated)
LE
1.44
mH
VC Diameter
102
mm
Winding height
HVC
16
mm
Winding material
Copper
Former material
Glass Fibre Reinforced Polymer
Magnet
Force factor
Bl
21.7
N/A
Motor constant
Bl/√RE
8.79
N/√W
Air gap height
HAG
8
mm
Material
Ferrite
Diaphragm
Effective diameter
331
mm
Effective area
SD
860
cm²
Moving mass
MMS
105
g
Moving mass (without air load)
MMD
87.8
g
Suspensions
Stiffness
KMS
5.18
N/mm
Compliance
CMS
193
µm/N
Equivalent volume to the compliance
VAS
203
L
Mechanical resistance
RMS
3.53
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
35 Hz
SD
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38 - 1800 Hz
QTS
0.30
xmax
6.7 mm
SPL1W
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Bl/√RE
8.47
Pmax
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15″Low frequency
fS
35 Hz
SD
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40 - 2500 Hz
QTS
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SD
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25 - 1800 Hz
QTS
0.27
xmax
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SPL1W
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