SICA 2,5 H 0,8 SL

Full-range

2.5″ / 66 mm
Nominal diameter
185 Hz
Resonance
0.92
Q factor
84 dB
Sensitivity
± 1.3 mm
Linear excursion
40 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
84.4
dB
Frequency response
180 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
185
Hz
Mechanical quality factor
QMS
5.23
Electrical quality factor
QES
1.11
Total quality factor
QTS
0.92

Large signal parameters

Maximum linear excursion
xmax
1.3
mm
Air volume displaced at xmax
VD
2.5
cm³
Power handling
P
20
W
Program power
Pmax
40
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.0
Ω
Inductance (1kHz)
LE
0.12
mH
VC Diameter
20
mm
Winding height
HVC
3
mm
Winding material
Copper
Former material
Kapton

Magnet

Flux density
B
1.3
T
Force factor
Bl
2.8
N/A
Motor constant
Bl/√RE
1.25
N/√W
Weight
0.016
kg
Material
Neodymium

Diaphragm

Effective diameter
49
mm
Effective area
SD
19
cm²
Moving mass
MMS
1.5
g
Moving mass (without air load)
MMD
1.4
g
Material
Paper

Suspensions

Stiffness
KMS
2.03
N/mm
Compliance
CMS
493
µm/N
Equivalent volume to the compliance
VAS
0.2
L
Mechanical resistance
RMS
0.33
N·s/m
Surround material
Treated Cloth

Dimensions

Nominal diameter
2.5
66 x 66
mm
Overall size
66 x 66
mm
Baffle cutout diameter
61
mm
Overall depth
37
mm
Net weight
0.1
kg
Frame material
Pressed sheet steel
SICA 2,5 H 0,8 SL SPL & Impedance
SICA 2,5 H 0,8 SL Dimensions

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