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
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
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:

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