Dayton Audio Classic DCS385-4
Subwoofer
15″ / 387 mm
Nominal diameter
18 Hz
Resonance
0.39
Q factor
88 dB
Sensitivity
± 9.3 mm
Linear excursion
600 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.6
dB
Frequency response
19 - 200
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
17.5
Hz
Mechanical quality factor
QMS
5.27
Electrical quality factor
QES
0.42
Total quality factor
QTS
0.39
Large signal parameters
Maximum linear excursion
xmax
9.3
mm
Air volume displaced at xmax
VD
791
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.3
Ω
Inductance (1kHz)
LE
2.2
mH
VC Diameter
66
mm
Winding material
Copper
Former material
Kapton® / Polyimide
Magnet
Force factor
Bl
15.4
N/A
Motor constant
Bl/√RE
8.48
N/√W
Material
Ferrite
Diaphragm
Effective diameter
329
mm
Effective area
SD
850
cm²
Moving mass
MMS
273
g
Moving mass (without air load)
MMD
255.7
g
Material
Paper / Kevlar
Suspensions
Stiffness
KMS
3.33
N/mm
Compliance
CMS
300
µm/N
Equivalent volume to the compliance
VAS
311
L
Mechanical resistance
RMS
5.7
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
15
″
387
mm
Overall diameter
387
mm
Baffle cutout diameter
350
mm
Overall depth
186
mm
Volume occupied by the driver (estimated)
4.6
L
Frame material
Steel
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SD
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