Dayton Audio PN470-8
Woofer
18″ / 465 mm
Nominal diameter
32 Hz
Resonance
0.34
Q factor
95 dB
Sensitivity
± 6.5 mm
Linear excursion
1600 W
Program Power
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Available on (affiliate link)
Parts Express
$$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.7
dB
Frequency response
30 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
31.6
Hz
Mechanical quality factor
QMS
9.29
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.34
Large signal parameters
Maximum linear excursion
xmax
6.5
mm
Air volume displaced at xmax
VD
791
cm³
Power handling
P
800
W
Program power
Pmax
1600
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
2.2
mH
VC Diameter
102
mm
Winding material
Copper
Former material
Glass Fiber
Magnet
Force factor
Bl
25.8
N/A
Motor constant
Bl/√RE
10.9
N/√W
Material
Neodymium
Diaphragm
Effective diameter
394
mm
Effective area
SD
1217
cm²
Moving mass
MMS
211.6
g
Moving mass (without air load)
MMD
181.9
g
Material
Paper / Glass Fiber
Suspensions
Stiffness
KMS
8.33
N/mm
Compliance
CMS
120
µm/N
Equivalent volume to the compliance
VAS
252
L
Mechanical resistance
RMS
4.52
N·s/m
Surround material
Cloth
Dimensions
Nominal diameter
18
″
465
mm
Overall diameter
465
mm
Baffle cutout diameter
424
mm
Overall depth
206
mm
Volume occupied by the driver (estimated)
6.7
L
Frame material
Cast Aluminium
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Export this driver to a simulation software:
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SD
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SD
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