Dayton Audio RC180-55

Woofer

2x7″/ 58x176 mm
Nominal size
52 Hz
Resonance
0.89
Q factor
76 dB
Sensitivity
± 4.7 mm
Linear excursion
70 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
Discard
Apply
Sensitivity (1w, 1m, infinite baffle)
SPL1W
76.3
dB
Frequency response
50 - 2500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
52.0
Hz
Mechanical quality factor
QMS
3.31
Electrical quality factor
QES
1.23
Total quality factor
QTS
0.89

Large signal parameters

Maximum linear excursion
xmax
4.7
mm
Air volume displaced at xmax
VD
27
cm³
Power handling
P
35
W
Program power
Pmax
70
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.3
Ω
Inductance (1kHz)
LE
0.1
mH
Former material
Aluminum

Magnet

Force factor
Bl
4.23
N/A
Motor constant
Bl/√RE
2.33
N/√W
Material
Neodymium

Diaphragm

Effective diameter
85
mm
Effective area
SD
56
cm²
Moving mass
MMS
20.1
g
Moving mass (without air load)
MMD
20.1
g
Material
Paper

Suspensions

Stiffness
KMS
2.17
N/mm
Compliance
CMS
460
µm/N
Equivalent volume to the compliance
VAS
2.04
L
Mechanical resistance
RMS
1.98
N·s/m
Surround material
Rubber

Dimensions

Nominal size
2 x 7
58 x 176
mm
Overall size
58 x 176
mm
Baffle cutout diameter
159
mm
Overall depth
77
mm
Volume occupied by the driver (estimated)
0.11
L
Frame material
Polymer
Dayton Audio RC180-55 Impedance
Dayton Audio RC180-55 SPL

Export this driver to a simulation software:

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