15″ / 388 mm
Nominal diameter
33 Hz
Resonance
0.38
Q factor
94 dB
Sensitivity
± 8 mm
Linear excursion
800 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.4
dB
Frequency response
35 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
33.0
Hz
Mechanical quality factor
QMS
14.10
Electrical quality factor
QES
0.39
Total quality factor
QTS
0.38
Large signal parameters
Maximum linear excursion
xmax
8.0
mm
Air volume displaced at xmax
VD
684
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
1.15
mH
Winding height
HVC
24
mm
Former material
Glass Fiber
Magnet
Flux density
B
1.22
T
Force factor
Bl
17.1
N/A
Motor constant
Bl/√RE
7.5
N/√W
Air gap height
HAG
10
mm
Weight
0.36
kg
Diaphragm
Effective diameter
330
mm
Effective area
SD
855
cm²
Moving mass
MMS
105
g
Moving mass (without air load)
MMD
87.8
g
Material
Paper with Humidity Resistant Pulp
Suspensions
Stiffness
KMS
4.53
N/mm
Compliance
CMS
221
µm/N
Equivalent volume to the compliance
VAS
230
L
Mechanical resistance
RMS
1.54
N·s/m
Surround material
Treated Cloth
Dimensions
Nominal diameter
15
″
388
mm
Overall diameter
383
mm
Baffle cutout diameter
355
mm
Overall depth
261
mm
Volume occupied by the driver (estimated)
3.4
L
Net weight
3.9
kg
Frame material
Aluminium Die-Cast
Similar subwoofers to SICA 15 S 3 PL
18″Subwoofer
fS
31 Hz
SD
1212 cm²
20 - 200 Hz
QTS
0.37
xmax
8.0 mm
SPL1W
95 dB
Bl/√RE
10
Pmax
2200 W
18″Woofer
fS
32 Hz
SD
1217 cm²
30 - 3000 Hz
QTS
0.34
xmax
6.5 mm
SPL1W
95 dB
Bl/√RE
11
Pmax
1600 W
18″Subwoofer
fS
31 Hz
SD
1213 cm²
20 - 200 Hz
QTS
0.34
xmax
8.0 mm
SPL1W
95 dB
Bl/√RE
11
Pmax
2400 W