Ciare CW387

Woofer

15″ / 380 mm
Nominal diameter
37 Hz
Resonance
0.31
Q factor
96 dB
Sensitivity
± 3.75 mm
Linear excursion
1000 W
Program Power
Discontinued
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
95.8
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
37.0
Hz
Mechanical quality factor
QMS
10.35
Electrical quality factor
QES
0.32
Total quality factor
QTS
0.31

Large signal parameters

Maximum linear excursion
xmax
3.75
mm
Air volume displaced at xmax
VD
318
cm³
Power handling
P
500
W
Program power
Pmax
1000
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.4
Ω
Inductance (1kHz)
LE
0.6
mH
VC Diameter
100
mm
Winding material
Aluminium
Former material
Kapton

Magnet

Force factor
Bl
15.87
N/A
Motor constant
Bl/√RE
8.62
N/√W
Air gap height
HAG
10
mm
Material
Ferrite

Diaphragm

Effective diameter
330
mm
Effective area
SD
847
cm²
Moving mass
MMS
103
g
Moving mass (without air load)
MMD
85.8
g

Suspensions

Stiffness
KMS
5.56
N/mm
Compliance
CMS
180
µm/N
Equivalent volume to the compliance
VAS
183
L
Mechanical resistance
RMS
2.31
N·s/m
Surround material
Nomex

Dimensions

Nominal diameter
15
380
mm
Overall diameter
388
mm
Baffle cutout diameter
350
mm
Overall depth
161
mm
Flange thickness
15
mm
Mounting depth
146
mm
Volume occupied by the driver (estimated)
3.8
L
Frame material
Aluminium
Ciare CW387 SPL & Impedance
Ciare CW387 Dimensions

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SD
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