Dayton Audio DCS450-4
Subwoofer
18″ / 454 mm
Nominal diameter
26 Hz
Resonance
0.44
Q factor
91 dB
Sensitivity
± 8.25 mm
Linear excursion
600 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
91.3
dB
Frequency response
22 - 500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
26.2
Hz
Mechanical quality factor
QMS
4.98
Electrical quality factor
QES
0.48
Total quality factor
QTS
0.44
Large signal parameters
Maximum linear excursion
xmax
8.25
mm
Air volume displaced at xmax
VD
936
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.0
Ω
Inductance (1kHz)
LE
3.23
mH
VC Diameter
76
mm
Winding material
Copper
Former material
Aluminum
Magnet
Force factor
Bl
16.8
N/A
Motor constant
Bl/√RE
9.7
N/√W
Material
Ferrite
Diaphragm
Effective diameter
380
mm
Effective area
SD
1134
cm²
Moving mass
MMS
273
g
Moving mass (without air load)
MMD
246
g
Material
Paper
Suspensions
Stiffness
KMS
7.14
N/mm
Compliance
CMS
140
µm/N
Equivalent volume to the compliance
VAS
248
L
Mechanical resistance
RMS
9.02
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
18
″
454
mm
Overall diameter
454
mm
Baffle cutout diameter
417
mm
Overall depth
213
mm
Volume occupied by the driver (estimated)
6.8
L
Frame material
Steel
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Export this driver to a simulation software:
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SD
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QTS
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SPL1W
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Bl/√RE
11
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SD
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QTS
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