Dayton Audio Point Source PS220-8
Full-range
8″ / 222 mm
Nominal diameter
46 Hz
Resonance
0.38
Q factor
95 dB
Sensitivity
± 4.8 mm
Linear excursion
80 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.5
dB
Frequency response
40 - 25000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
46.4
Hz
Mechanical quality factor
QMS
5.73
Electrical quality factor
QES
0.40
Total quality factor
QTS
0.38
Large signal parameters
Maximum linear excursion
xmax
4.8
mm
Air volume displaced at xmax
VD
104
cm³
Power handling
P
40
W
Program power
Pmax
80
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz)
LE
0.73
mH
VC Diameter
25
mm
Winding material
Copper
Former material
Aluminum
Magnet
Force factor
Bl
6.15
N/A
Motor constant
Bl/√RE
2.47
N/√W
Material
Neodymium
Diaphragm
Effective diameter
166
mm
Effective area
SD
216
cm²
Moving mass
MMS
8.4
g
Moving mass (without air load)
MMD
5.9
g
Material
Paper / Kevlar
Suspensions
Stiffness
KMS
0.71
N/mm
Compliance
CMS
1410
µm/N
Equivalent volume to the compliance
VAS
90.2
L
Mechanical resistance
RMS
0.43
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
8
″
222
mm
Overall diameter
222
mm
Baffle cutout diameter
181
mm
Overall depth
94
mm
Volume occupied by the driver (estimated)
0.87
L
Frame material
Steel
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10″Bass Guitar Speaker
fS
46 Hz
SD
350 cm²
50 - 4200 Hz
QTS
0.45
xmax
4.4 mm
SPL1W
93 dB
Bl/√RE
3.66
Pmax
300 W
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8″Full-range
fS
38 Hz
SD
214 cm²
38 - 18000 Hz
QTS
0.44
xmax
2.0 mm
SPL1W
93 dB
Bl/√RE
2.45
Pmax
70 W
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8″Mid Bass
fS
49 Hz
SD
205 cm²
43 - 10000 Hz
QTS
0.38
xmax
4.6 mm
SPL1W
93 dB
Bl/√RE
2.83
Pmax
80 W