HELIX COMPOSE Ci3 W200FM-S2

Woofer

8″ / 200 mm
Nominal diameter
72 Hz
Resonance
0.88
Q factor
89 dB
Sensitivity
± 4 mm
Linear excursion
150 W
Program Power
HELIX Ci3 W200FM-S2 Woofer
Excursion
Velocity
SPL
Phase
Group delay
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
89.4
dB
Frequency response
50 - 3000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
72.0
Hz
Mechanical quality factor
QMS
4.56
Electrical quality factor
QES
1.09
Total quality factor
QTS
0.88

Large signal parameters

Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
86
cm³
Power handling
P
100
W
Program power
Pmax
150
W

Voice Coil

Nominal impedance
Z
2
Ω
DC resistance
RE
1.8
Ω
Inductance (1kHz, estimated)
LE
0.16
mH
VC Diameter
25
mm
Winding height
HVC
11.9
mm

Magnet

Force factor
Bl
4.0
N/A
Motor constant
Bl/√RE
2.98
N/√W

Diaphragm

Effective diameter
165
mm
Effective area
SD
214
cm²
Moving mass
MMS
20.8
g
Moving mass (without air load)
MMD
18.6
g

Suspensions

Stiffness
KMS
4.35
N/mm
Compliance
CMS
230
µm/N
Equivalent volume to the compliance
VAS
14.5
L
Mechanical resistance
RMS
2.07
N·s/m

Dimensions

Nominal diameter
8
″
200
mm
Overall diameter
195
mm
Baffle cutout diameter
174
mm
Mounting depth
64
mm
Volume occupied by the driver (estimated)
0.77
L
Impedance
Step response
Tone Burst
DatasheetDatasheet

Export this driver to a simulation software:

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Similar woofers to HELIX Ci3 W200FM-S2

Hertz DCX 165.3 2 Way
Hertz  DCX 165.34 Ω
6.5″2 Way
fS
68 Hz
SD
143 cm²
60 - 21000 Hz
QTS
0.85
xmax
2.0 mm
SPL1W
89 dB
Bl/√RE
2.2
Pmax
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HELIX Ci3 W200FM-S3 Woofer
HELIX  Ci3 W200FM-S33 Ω
8″Woofer
fS
67 Hz
SD
214 cm²
50 - 3000 Hz
QTS
0.76
xmax
3.8 mm
SPL1W
90 dB
Bl/√RE
2.94
Pmax
150 W