Dayton Audio Classic DCS255-4
Subwoofer
10″ / 258 mm
Nominal diameter
38 Hz
Resonance
0.46
Q factor
87 dB
Sensitivity
± 8.3 mm
Linear excursion
400 W
Program Power
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Available on (affiliate link)
Parts Express
$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.4
dB
Frequency response
31 - 200
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
37.7
Hz
Mechanical quality factor
QMS
7.42
Electrical quality factor
QES
0.50
Total quality factor
QTS
0.46
Large signal parameters
Maximum linear excursion
xmax
8.3
mm
Air volume displaced at xmax
VD
288
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.5
Ω
Inductance (1kHz)
LE
1.8
mH
VC Diameter
50
mm
Winding material
Copper
Former material
Kapton® / Polyimide
Magnet
Force factor
Bl
12.6
N/A
Motor constant
Bl/√RE
6.78
N/√W
Material
Ferrite
Diaphragm
Effective diameter
210
mm
Effective area
SD
346
cm²
Moving mass
MMS
95.5
g
Moving mass (without air load)
MMD
90.8
g
Material
Paper / Kevlar
Suspensions
Stiffness
KMS
5.26
N/mm
Compliance
CMS
190
µm/N
Equivalent volume to the compliance
VAS
32.1
L
Mechanical resistance
RMS
3.05
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
10
″
258
mm
Overall diameter
258
mm
Baffle cutout diameter
232
mm
Overall depth
141
mm
Volume occupied by the driver (estimated)
1.8
L
Frame material
Steel
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SD
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SD
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xmax
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