Dayton Audio PA465S-8
Subwoofer
18″ / 470 mm
Nominal diameter
32 Hz
Resonance
0.57
Q factor
92 dB
Sensitivity
± 10 mm
Linear excursion
2000 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
92.1
dB
Frequency response
25 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
32.3
Hz
Mechanical quality factor
QMS
6.92
Electrical quality factor
QES
0.62
Total quality factor
QTS
0.57
Large signal parameters
Maximum linear excursion
xmax
10.0
mm
Air volume displaced at xmax
VD
1225
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
4.98
mH
VC Diameter
100
mm
Winding material
Copper
Former material
Glass Fiber
Magnet
Force factor
Bl
21.9
N/A
Motor constant
Bl/√RE
9.42
N/√W
Material
Ferrite
Diaphragm
Effective diameter
395
mm
Effective area
SD
1225
cm²
Moving mass
MMS
271
g
Moving mass (without air load)
MMD
240.8
g
Material
Paper / Kevlar
Suspensions
Stiffness
KMS
11.11
N/mm
Compliance
CMS
90
µm/N
Equivalent volume to the compliance
VAS
193
L
Mechanical resistance
RMS
7.95
N·s/m
Surround material
Cloth
Dimensions
Nominal diameter
18
″
470
mm
Overall diameter
470
mm
Baffle cutout diameter
424
mm
Overall depth
202
mm
Volume occupied by the driver (estimated)
6.6
L
Frame material
Cast Aluminium
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SD
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30 - 1000 Hz
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SPL1W
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Bl/√RE
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SD
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xmax
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