HELIX COMPOSE CB C570.2-S3
2 way
5x7″/ 130x180 mm
Nominal size
67 Hz
Resonance
0.81
Q factor
87 dB
Sensitivity
± 2.5 mm
Linear excursion
105 W
Program Power
.jpg)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.4
dB
Frequency response
60 - 22000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
67.0
Hz
Mechanical quality factor
QMS
3.64
Electrical quality factor
QES
1.04
Total quality factor
QTS
0.81
Large signal parameters
Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
37
cm³
Power handling
P
70
W
Program power
Pmax
105
W
Voice Coil
Nominal impedance
Z
3
Ω
DC resistance
RE
3.0
Ω
Inductance (1kHz, estimated)
LE
0.21
mH
VC Diameter
25
mm
Winding height
HVC
8.9
mm
Magnet
Force factor
Bl
4.2
N/A
Motor constant
Bl/√RE
2.42
N/√W
Diaphragm
Effective diameter
138
mm
Effective area
SD
149
cm²
Moving mass
MMS
14.3
g
Moving mass (without air load)
MMD
13.2
g
Suspensions
Stiffness
KMS
2.51
N/mm
Compliance
CMS
399
µm/N
Equivalent volume to the compliance
VAS
12.4
L
Mechanical resistance
RMS
1.64
N·s/m
Dimensions
Nominal size
5 x 7
″
130 x 180
mm
Overall size
144 x 229
mm
Mounting baffle cutout
126 x 182
mm
Mounting depth
58
mm
Volume occupied by the driver (estimated)
0.35
L
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to HELIX CB C570.2-S3
.jpg.webp)
6.5″2 way
fS
65 Hz
SD
139 cm²
60 - 22000 Hz
QTS
0.78
xmax
2.5 mm
SPL1W
88 dB
Bl/√RE
2.37
Pmax
120 W
.jpg.webp)
.jpg.webp)