Ciare CXPA-4

Coaxial

4″ / 100 mm
Nominal diameter
198 Hz
Resonance
0.73
Q factor
88 dB
Sensitivity
± 2.75 mm
Linear excursion
200 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
87.7
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
198
Hz
Mechanical quality factor
QMS
4.90
Electrical quality factor
QES
0.86
Total quality factor
QTS
0.73

Large signal parameters

Maximum linear excursion
xmax
2.75
mm
Air volume displaced at xmax
VD
14
cm³
Power handling
P
100
W
Program power
Pmax
200
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
0.38
mH
VC Diameter
38
mm
Winding material
Copper
Former material
Kapton

Magnet

Force factor
Bl
6.85
N/A
Motor constant
Bl/√RE
2.98
N/√W
Material
Neodymium

Diaphragm

Effective diameter
81
mm
Effective area
SD
52
cm²
Moving mass
MMS
6.2
g
Moving mass (without air load)
MMD
5.9
g
Material
Paper

Suspensions

Stiffness
KMS
9.09
N/mm
Compliance
CMS
110
µm/N
Equivalent volume to the compliance
VAS
0.39
L
Mechanical resistance
RMS
1.56
N·s/m
Surround material
Fabric

Dimensions

Nominal diameter
4
100
mm
Overall diameter
101
mm
Baffle cutout diameter
91
mm
Overall depth
51
mm
Flange thickness
6
mm
Mounting depth
45
mm
Volume occupied by the driver (estimated)
0.13
L
Frame material
Steel
Ciare CXPA-4 SPL & Impedance


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Focal 3 KM Mid-range
3Mid-range
fS
170 Hz
SD
30 cm²
200 - 9000 Hz
QTS
0.65
SPL1W
86 dB
Bl/√RE
2.31
Pmax
120 W
Ciare HM100 Mid-range
4Mid-range
fS
160 Hz
SD
52 cm²
QTS
0.70
xmax
2.2 mm
SPL1W
87 dB
Bl/√RE
1.98
Pmax
150 W