SICA 12 PNS 4

Subwoofer

12″ / 320 mm
Nominal diameter
42 Hz
Resonance
0.31
Q factor
92 dB
Sensitivity
± 9.5 mm
Linear excursion
2000 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
92.2
dB
Frequency response
40 - 2000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
41.7
Hz
Mechanical quality factor
QMS
12.63
Electrical quality factor
QES
0.32
Total quality factor
QTS
0.31

Large signal parameters

Maximum linear excursion
xmax
9.5
mm
Air volume displaced at xmax
VD
504
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
1.3
mH
VC Diameter
100
mm
Winding height
HVC
12
mm
Winding material
Copper
Former material
Glass Fiber

Magnet

Flux density
B
1.21
T
Force factor
Bl
22.3
N/A
Motor constant
Bl/√RE
9.78
N/√W
Weight
0.536
kg
Material
Neodymium

Diaphragm

Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
115.9
g
Moving mass (without air load)
MMD
107
g
Material
Paper

Suspensions

Stiffness
KMS
7.94
N/mm
Compliance
CMS
126
µm/N
Equivalent volume to the compliance
VAS
50.2
L
Mechanical resistance
RMS
2.4
N·s/m
Surround material
Treated Cloth

Dimensions

Nominal diameter
12
320
mm
Overall diameter
320
mm
Baffle cutout diameter
284
mm
Overall depth
155
mm
Volume occupied by the driver (estimated)
3.0
L
Net weight
6.6
kg
Frame material
Aluminium Die-Cast
SICA 12 PNS 4 SPL & Impedance
SICA 12 PNS 4 Dimensions

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