Dayton Audio Classic DC130BS-4

Woofer

5.25″ / 145 mm
Nominal diameter
52 Hz
Resonance
0.35
Q factor
88 dB
Sensitivity
± 2.5 mm
Linear excursion
60 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
87.7
dB
Frequency response
55 - 4000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
51.8
Hz
Mechanical quality factor
QMS
1.86
Electrical quality factor
QES
0.44
Total quality factor
QTS
0.35

Large signal parameters

Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
23
cm³
Power handling
P
30
W
Program power
Pmax
60
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.6
Ω
Inductance (1kHz)
LE
0.5
mH
VC Diameter
25
mm
Winding material
Copper
Former material
Aluminum

Magnet

Force factor
Bl
4.8
N/A
Motor constant
Bl/√RE
2.55
N/√W
Material
Ferrite

Diaphragm

Effective diameter
109
mm
Effective area
SD
93
cm²
Moving mass
MMS
8.8
g
Moving mass (without air load)
MMD
8.1
g
Material
Coated Paper

Suspensions

Stiffness
KMS
0.93
N/mm
Compliance
CMS
1080
µm/N
Equivalent volume to the compliance
VAS
13.2
L
Mechanical resistance
RMS
1.54
N·s/m
Surround material
Rubber

Dimensions

Nominal diameter
5.25
145
mm
Overall diameter
145
mm
Baffle cutout diameter
120
mm
Overall depth
77
mm
Volume occupied by the driver (estimated)
0.38
L
Frame material
Steel
Dayton Audio DC130BS-4 Impedance
Dayton Audio DC130BS-4 SPL
Dayton Audio DC130BS-4 Dimensions

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