Dayton Audio Odeum Apollo 8N
Woofer
8″ / 210 mm
Nominal diameter
94 Hz
Resonance
0.32
Q factor
95 dB
Sensitivity
± 3.91 mm
Linear excursion
400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.0
dB
Frequency response
75 - 5800
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
94.0
Hz
Mechanical quality factor
QMS
4.43
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.32
Large signal parameters
Maximum linear excursion
xmax
3.91
mm
Air volume displaced at xmax
VD
79
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz)
LE
0.17
mH
VC Diameter
51
mm
Winding material
Copper
Former material
Glass Fiber
Magnet
Force factor
Bl
14.41
N/A
Motor constant
Bl/√RE
5.88
N/√W
Material
Neodymium
Diaphragm
Effective diameter
160
mm
Effective area
SD
201
cm²
Moving mass
MMS
20.9
g
Moving mass (without air load)
MMD
18.7
g
Material
Coated Paper
Suspensions
Stiffness
KMS
7.3
N/mm
Compliance
CMS
137
µm/N
Equivalent volume to the compliance
VAS
8.8
L
Mechanical resistance
RMS
2.79
N·s/m
Surround material
Paper
Dimensions
Nominal diameter
8
″
210
mm
Overall diameter
210
mm
Baffle cutout diameter
182
mm
Overall depth
87
mm
Volume occupied by the driver (estimated)
0.73
L
Frame material
Steel
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Export this driver to a simulation software:
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QSpeakers
SpeakerSim
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SpeakerbenchSimilar woofers to Dayton Audio Apollo 8N
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8″Woofer
fS
91 Hz
SD
230 cm²
56 - 7000 Hz
QTS
0.37
xmax
6.3 mm
SPL1W
94 dB
Bl/√RE
6.73
Pmax
700 W
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6.5″Mid Bass
fS
95 Hz
SD
130 cm²
200 - 7000 Hz
QTS
0.32
xmax
3.0 mm
SPL1W
97 dB
Bl/√RE
3.73
Pmax
260 W
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6.5″Mid Bass
fS
100 Hz
SD
130 cm²
200 - 7000 Hz
QTS
0.34
xmax
3.0 mm
SPL1W
95 dB
Bl/√RE
3.9
Pmax
260 W