SICA 12 D 1,5 CS

Full-range

12″ / 318 mm
Nominal diameter
62 Hz
Resonance
0.75
Q factor
96 dB
Sensitivity
± 2.7 mm
Linear excursion
260 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
95.6
dB
Frequency response
65 - 15000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
62.0
Hz
Mechanical quality factor
QMS
18.30
Electrical quality factor
QES
0.78
Total quality factor
QTS
0.75

Large signal parameters

Maximum linear excursion
xmax
2.7
mm
Air volume displaced at xmax
VD
133
cm³
Power handling
P
130
W
Program power
Pmax
260
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
0.35
mH
VC Diameter
38
mm
Winding height
HVC
8
mm
Winding material
Copper
Former material
Kapton

Magnet

Flux density
B
1.21
T
Force factor
Bl
9.51
N/A
Motor constant
Bl/√RE
4.21
N/√W
Weight
1.1
kg
Material
Ferrite

Diaphragm

Effective diameter
250
mm
Effective area
SD
491
cm²
Moving mass
MMS
35.5
g
Moving mass (without air load)
MMD
27.4
g
Material
Paper

Suspensions

Stiffness
KMS
5.38
N/mm
Compliance
CMS
186
µm/N
Equivalent volume to the compliance
VAS
63.5
L
Mechanical resistance
RMS
0.76
N·s/m
Surround material
Paper – Integrated

Dimensions

Nominal diameter
12
318
mm
Overall diameter
318
mm
Baffle cutout diameter
287
mm
Overall depth
135
mm
Volume occupied by the driver (estimated)
1.9
L
Net weight
3.7
kg
Frame material
Pressed Sheet Steel
SICA 12 D 1,5 CS SPL & Impedance
SICA 12 D 1,5 CS Dimensions

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