HELIX IK W10
Subwoofer
10″ / 250 mm
Nominal diameter
36 Hz
Resonance
0.39
Q factor
87 dB
Sensitivity
± 8 mm
Linear excursion
600 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.3
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
36.0
Hz
Mechanical quality factor
QMS
4.50
Electrical quality factor
QES
0.43
Total quality factor
QTS
0.39
Large signal parameters
Maximum linear excursion
xmax
8.0
mm
Air volume displaced at xmax
VD
266
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
3.2
Ω
Inductance (1kHz, in series, estimated)
LE
0.69
mH
VC Diameter
51
mm
Winding height
HVC
24
mm
Magnet
Force factor (in series)
Bl
12.3
N/A
Motor constant
Bl/√RE
6.88
N/√W
Diaphragm
Effective diameter
206
mm
Effective area
SD
333
cm²
Moving mass
MMS
91
g
Moving mass (without air load)
MMD
86.5
g
Suspensions
Stiffness
KMS
4.59
N/mm
Compliance
CMS
218
µm/N
Equivalent volume to the compliance
VAS
34
L
Mechanical resistance
RMS
4.56
N·s/m
Dimensions
Nominal diameter
10
″
250
mm
Overall diameter
262
mm
Baffle cutout diameter
232
mm
Mounting depth
126
mm
Volume occupied by the driver (estimated)
1.6
L
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8″Woofer
fS
37 Hz
SD
227 cm²
30 - 1000 Hz
QTS
0.37
xmax
10.3 mm
SPL1W
88 dB
Bl/√RE
4.86
Pmax
250 W