Dayton Audio Odeum Apollo 12LF
Woofer
12″ / 320 mm
Nominal diameter
28 Hz
Resonance
0.21
Q factor
93 dB
Sensitivity
± 9.25 mm
Linear excursion
800 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.0
dB
Frequency response
30 - 1500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
28.0
Hz
Mechanical quality factor
QMS
5.19
Electrical quality factor
QES
0.22
Total quality factor
QTS
0.21
Large signal parameters
Maximum linear excursion
xmax
9.25
mm
Air volume displaced at xmax
VD
493
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.7
Ω
Inductance (1kHz)
LE
1.47
mH
VC Diameter
76
mm
Winding material
Copper
Former material
Glass Fiber
Magnet
Force factor
Bl
21.8
N/A
Motor constant
Bl/√RE
8.42
N/√W
Material
Ferrite
Diaphragm
Effective diameter
261
mm
Effective area
SD
533
cm²
Moving mass
MMS
88.3
g
Moving mass (without air load)
MMD
79.4
g
Material
Treated Paper
Suspensions
Stiffness
KMS
2.7
N/mm
Compliance
CMS
370
µm/N
Equivalent volume to the compliance
VAS
148
L
Mechanical resistance
RMS
2.99
N·s/m
Surround material
Cloth
Dimensions
Nominal diameter
12
″
320
mm
Overall diameter
320
mm
Baffle cutout diameter
292
mm
Overall depth
152
mm
Volume occupied by the driver (estimated)
2.7
L
Frame material
Cast Aluminium
Export this driver to a simulation software:
WinISD
Basta!
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QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to Dayton Audio Apollo 12LF
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12″Subwoofer
fS
27 Hz
SD
530 cm²
QTS
0.23
xmax
14.0 mm
SPL1W
93 dB
Bl/√RE
7.7
Pmax
1000 W
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12″Subwoofer
fS
27 Hz
SD
530 cm²
QTS
0.23
xmax
14.0 mm
SPL1W
93 dB
Bl/√RE
7.73
Pmax
1000 W
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