6″ / 166 mm
Nominal diameter
135 Hz
Resonance
0.35
Q factor
95 dB
Sensitivity
± 2 mm
Linear excursion
300 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
94.9
dB
Frequency response
130 - 6000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
135
Hz
Mechanical quality factor
QMS
4.05
Electrical quality factor
QES
0.38
Total quality factor
QTS
0.35
Large signal parameters
Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
28
cm³
Power handling
P
150
W
Program power
Pmax
300
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.1
Ω
Inductance (1kHz)
LE
0.38
mH
VC Diameter
50
mm
Winding height
HVC
8
mm
Winding material
Aluminium
Magnet
Flux density
B
1.14
T
Force factor
Bl
8.62
N/A
Motor constant
Bl/√RE
4.9
N/√W
Weight
0.81
kg
Diaphragm
Effective diameter
133
mm
Effective area
SD
139
cm²
Moving mass
MMS
10.8
g
Moving mass (without air load)
MMD
9.6
g
Suspensions
Stiffness
KMS
7.75
N/mm
Compliance
CMS
129
µm/N
Equivalent volume to the compliance
VAS
3.5
L
Mechanical resistance
RMS
2.26
N·s/m
Surround material
Treated Cloth
Dimensions
Nominal diameter
6
″
166
mm
Overall diameter
166
mm
Baffle cutout diameter
143
mm
Overall depth
78
mm
Volume occupied by the driver (estimated)
0.72
L
Net weight
2.7
kg
Frame material
Aluminium Die-Cast
Similar speaker drivers to SICA 6 M 2 CP
6.5″Mid-range
fS
140 Hz
SD
132 cm²
150 - 6000 Hz
QTS
0.40
xmax
2.5 mm
SPL1W
94 dB
Bl/√RE
4.73
Pmax
400 W
6.5″Mid-range
fS
124 Hz
SD
139 cm²
200 - 5000 Hz
QTS
0.38
xmax
2.3 mm
SPL1W
95 dB
Bl/√RE
4.63
Pmax
300 W
6″Woofer
fS
120 Hz
SD
131 cm²
85 - 6000 Hz
QTS
0.42
xmax
4.6 mm
SPL1W
94 dB
Bl/√RE
4.04
Pmax
260 W