Dayton Audio Epique E150HE-44
Subwoofer
5.5″ / 150 mm
Nominal diameter
40 Hz
Resonance
0.39
Q factor
82 dB
Sensitivity
± 14.7 mm
Linear excursion
400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
82.1
dB
Frequency response
30 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
40.0
Hz
Mechanical quality factor
QMS
2.94
Electrical quality factor
QES
0.45
Total quality factor
QTS
0.39
Large signal parameters
Maximum linear excursion
xmax
14.7
mm
Air volume displaced at xmax
VD
140
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
6.6
Ω
Inductance (1kHz, in series)
LE
1.6
mH
VC Diameter
38
mm
Winding material
Copper
Magnet
Force factor (in series)
Bl
9.8
N/A
Motor constant
Bl/√RE
3.81
N/√W
Material
Ferrite
Diaphragm
Effective diameter
110
mm
Effective area
SD
95
cm²
Moving mass
MMS
26.6
g
Moving mass (without air load)
MMD
25.9
g
Material
Carbon Fiber
Suspensions
Stiffness
KMS
1.67
N/mm
Compliance
CMS
600
µm/N
Equivalent volume to the compliance
VAS
7.65
L
Mechanical resistance
RMS
2.27
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
5.5
″
150
mm
Overall diameter
152
mm
Baffle cutout diameter
122
mm
Overall depth
111
mm
Flange thickness
6
mm
Mounting depth
105
mm
Volume occupied by the driver (estimated)
0.66
L
Frame material
Cast Aluminium
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SD
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SD
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SD
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QTS
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xmax
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Bl/√RE
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