Dayton Audio PSS555-8

Subwoofer

21″ / 550 mm
Nominal diameter
28 Hz
Resonance
0.33
Q factor
96 dB
Sensitivity
± 11 mm
Linear excursion
2000 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
95.6
dB
Frequency response
27 - 2500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
27.6
Hz
Mechanical quality factor
QMS
10.70
Electrical quality factor
QES
0.34
Total quality factor
QTS
0.33

Large signal parameters

Maximum linear excursion
xmax
11.0
mm
Air volume displaced at xmax
VD
1909
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
1.8
mH
VC Diameter
114
mm
Winding material
Copper
Former material
Glass Fiber

Magnet

Force factor
Bl
29.7
N/A
Motor constant
Bl/√RE
12.8
N/√W
Weight
5.67
kg
Material
Ferrite

Diaphragm

Effective diameter
470
mm
Effective area
SD
1735
cm²
Moving mass
MMS
316
g
Moving mass (without air load)
MMD
265.9
g
Material
Treated Paper

Suspensions

Stiffness
KMS
9.09
N/mm
Compliance
CMS
110
µm/N
Equivalent volume to the compliance
VAS
444
L
Mechanical resistance
RMS
5.12
N·s/m
Surround material
Cloth

Dimensions

Nominal diameter
21
550
mm
Overall diameter
550
mm
Baffle cutout diameter
511
mm
Overall depth
254
mm
Volume occupied by the driver (estimated)
11.0
L
Frame material
Cast Aluminium
Dayton Audio PSS555-8 Impedance
Dayton Audio PSS555-8 SPL

Export this driver to a simulation software:

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