Ciare NDH15-4S
Subwoofer
15″ / 380 mm
Nominal diameter
28 Hz
Resonance
0.25
Q factor
95 dB
Sensitivity
± 11.5 mm
Linear excursion
2000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.6
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
28.0
Hz
Mechanical quality factor
QMS
11.19
Electrical quality factor
QES
0.26
Total quality factor
QTS
0.25
Large signal parameters
Maximum linear excursion
xmax
11.5
mm
Air volume displaced at xmax
VD
1012
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz)
LE
1.07
mH
VC Diameter
100
mm
Winding height
HVC
30
mm
Magnet
Force factor
Bl
24.19
N/A
Motor constant
Bl/√RE
9.84
N/√W
Air gap height
HAG
14
mm
Diaphragm
Effective diameter
32
mm
Effective area
SD
880
cm²
Moving mass
MMS
143
g
Moving mass (without air load)
MMD
125
g
Material
Treated Cellulose
Suspensions
Stiffness
KMS
4.35
N/mm
Compliance
CMS
230
µm/N
Equivalent volume to the compliance
VAS
220
L
Mechanical resistance
RMS
2.25
N·s/m
Surround material
Doped fabric
Spider material
Nomex Fabric
Dimensions
Nominal diameter
15
″
380
mm
Overall diameter
388
mm
Baffle cutout diameter
354
mm
Overall depth
189
mm
Flange thickness
14
mm
Mounting depth
175
mm
Volume occupied by the driver (estimated)
4.4
L
Net weight
8.0
kg
Frame material
Diecast Aluminium
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SD
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SD
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