Ciare CH250

Full-range

10″ / 250 mm
Nominal diameter
65 Hz
Resonance
1.36
Q factor
94 dB
Sensitivity
± 2 mm
Linear excursion
150 W
Program Power
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
94.2
dB
Frequency response
40 - 18000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
65.0
Hz
Mechanical quality factor
QMS
12.80
Electrical quality factor
QES
1.53
Total quality factor
QTS
1.36

Large signal parameters

Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
68
cm³
Power handling
P
50
W
Program power
Pmax
150
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.4
Ω
Inductance (1kHz)
LE
0.24
mH
VC Diameter
32
mm
Winding height
HVC
7
mm

Magnet

Force factor
Bl
4.1
N/A
Motor constant
Bl/√RE
2.22
N/√W
Air gap height
HAG
6
mm
Material
Ferrite

Diaphragm

Effective diameter
208
mm
Effective area
SD
340
cm²
Moving mass
MMS
18.6
g
Moving mass (without air load)
MMD
13.9
g

Suspensions

Stiffness
KMS
3.13
N/mm
Compliance
CMS
320
µm/N
Equivalent volume to the compliance
VAS
52
L
Mechanical resistance
RMS
0.59
N·s/m
Surround material
Paper

Dimensions

Nominal diameter
10
250
mm
Overall diameter
265
mm
Baffle cutout diameter
238
mm
Overall depth
105
mm
Flange thickness
9
mm
Mounting depth
96
mm
Volume occupied by the driver (estimated)
0.75
L
Net weight
1.35
kg
Frame material
Steel
Ciare CH250 SPL & Impedance
Ciare CH250 Dimensions

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