Dayton Audio Odeum Apollo 15LF
Woofer
15″ / 391 mm
Nominal diameter
26 Hz
Resonance
0.26
Q factor
95 dB
Sensitivity
± 9.25 mm
Linear excursion
1000 W
Program Power
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Sensitivity (1W, 1m, infinite baffle)
SPL1W
94.5
dB
Frequency response
25 - 1200
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
25.5
Hz
Mechanical quality factor
QMS
6.70
Electrical quality factor
QES
0.27
Total quality factor
QTS
0.26
Large signal parameters
Maximum linear excursion
xmax
9.25
mm
Air volume displaced at xmax
VD
775
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.4
Ω
Inductance (1kHz)
LE
1.74
mH
VC Diameter
76
mm
Winding material
Copper
Former material
Glass Fiber
Magnet
Force factor
Bl
21.8
N/A
Motor constant
Bl/√RE
8.62
N/√W
Material
Ferrite
Diaphragm
Effective diameter
327
mm
Effective area
SD
837
cm²
Moving mass
MMS
117
g
Moving mass (without air load)
MMD
99.8
g
Material
Treated Paper
Suspensions
Stiffness
KMS
3.03
N/mm
Compliance
CMS
330
µm/N
Equivalent volume to the compliance
VAS
331
L
Mechanical resistance
RMS
2.8
N·s/m
Surround material
Cloth
Dimensions
Nominal diameter
15
″
391
mm
Overall diameter
391
mm
Baffle cutout diameter
356
mm
Overall depth
178
mm
Volume occupied by the driver (estimated)
4.4
L
Frame material
Cast Aluminium
Export this driver to a simulation software:
WinISD
Basta!
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QSpeakers
SpeakerSim
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SpeakerbenchSimilar woofers to Dayton Audio Apollo 15LF
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18″Subwoofer
fS
28 Hz
SD
1213 cm²
30 - 1600 Hz
QTS
0.27
xmax
16.3 mm
SPL1W
94 dB
Bl/√RE
13
Pmax
4000 W
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18″Subwoofer
fS
30 Hz
SD
1210 cm²
35 - 1000 Hz
QTS
0.27
xmax
9.0 mm
SPL1W
95 dB
Bl/√RE
13
Pmax
2400 W