Dayton Audio PA200-8
Woofer
8″ / 210 mm
Nominal diameter
55 Hz
Resonance
0.48
Q factor
91 dB
Sensitivity
± 3 mm
Linear excursion
500 W
Program Power
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Amazon.com
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
90.8
dB
Frequency response
70 - 9000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
55.2
Hz
Mechanical quality factor
QMS
6.17
Electrical quality factor
QES
0.51
Total quality factor
QTS
0.48
Large signal parameters
Maximum linear excursion
xmax
3.0
mm
Air volume displaced at xmax
VD
63
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz)
LE
1.09
mH
VC Diameter
50
mm
Former material
Kapton® / Polyimide
Magnet
Force factor
Bl
9.28
N/A
Motor constant
Bl/√RE
3.73
N/√W
Material
Ferrite
Diaphragm
Effective diameter
164
mm
Effective area
SD
210
cm²
Moving mass
MMS
20.5
g
Moving mass (without air load)
MMD
18.2
g
Material
Paper / Kevlar
Suspensions
Stiffness
KMS
2.5
N/mm
Compliance
CMS
400
µm/N
Equivalent volume to the compliance
VAS
26.6
L
Mechanical resistance
RMS
1.15
N·s/m
Surround material
Cloth
Dimensions
Nominal diameter
8
″
210
mm
Overall diameter
210
mm
Baffle cutout diameter
182
mm
Overall depth
108
mm
Volume occupied by the driver (estimated)
0.98
L
Frame material
Steel
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fS
56 Hz
SD
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50 - 22000 Hz
QTS
0.54
xmax
2.0 mm
SPL1W
90 dB
Bl/√RE
3.24
Pmax
150 W
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fS
53 Hz
SD
235 cm²
50 - 5000 Hz
QTS
0.40
xmax
4.5 mm
SPL1W
91 dB
Bl/√RE
4.82
Pmax
300 W