SICA 6 NR 2 PL
Woofer
6″ / 166 mm
Nominal diameter
61 Hz
Resonance
0.33
Q factor
89 dB
Sensitivity
± 4 mm
Linear excursion
400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.4
dB
Frequency response
60 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
60.5
Hz
Mechanical quality factor
QMS
6.05
Electrical quality factor
QES
0.34
Total quality factor
QTS
0.33
Large signal parameters
Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
49
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
0.51
mH
VC Diameter
50
mm
Winding height
HVC
8
mm
Winding material
Aluminium
Former material
Glass Fiber
Magnet
Flux density
B
1.2
T
Force factor
Bl
9.86
N/A
Motor constant
Bl/√RE
4.17
N/√W
Weight
0.16
kg
Material
Neodymium
Diaphragm
Effective diameter
125
mm
Effective area
SD
123
cm²
Moving mass
MMS
15.7
g
Moving mass (without air load)
MMD
14.7
g
Material
Paper
Suspensions
Stiffness
KMS
2.27
N/mm
Compliance
CMS
441
µm/N
Equivalent volume to the compliance
VAS
9.4
L
Mechanical resistance
RMS
0.99
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
6
″
166
mm
Overall diameter
166
mm
Baffle cutout diameter
143
mm
Overall depth
83
mm
Volume occupied by the driver (estimated)
0.51
L
Net weight
1.5
kg
Frame material
Aluminium Die-Cast
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SpeakerbenchSimilar woofers to SICA 6 NR 2 PL
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6.5″Mid Bass
fS
56 Hz
SD
135 cm²
60 - 9000 Hz
QTS
0.30
xmax
5.5 mm
SPL1W
90 dB
Bl/√RE
4.56
Pmax
400 W
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6.5″Woofer
fS
55 Hz
SD
127 cm²
60 - 3000 Hz
QTS
0.29
xmax
5.5 mm
SPL1W
90 dB
Bl/√RE
4.27
Pmax
300 W
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6.5″Woofer
fS
62 Hz
SD
127 cm²
60 - 3000 Hz
QTS
0.28
xmax
5.5 mm
SPL1W
91 dB
Bl/√RE
4.56
Pmax
300 W