Dayton Audio Odeum Apollo 12N
Woofer
12″ / 320 mm
Nominal diameter
38 Hz
Resonance
0.26
Q factor
95 dB
Sensitivity
± 6.75 mm
Linear excursion
800 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.9
dB
Frequency response
40 - 5600
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
38.0
Hz
Mechanical quality factor
QMS
7.75
Electrical quality factor
QES
0.27
Total quality factor
QTS
0.26
Large signal parameters
Maximum linear excursion
xmax
6.75
mm
Air volume displaced at xmax
VD
334
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
7.5
Ω
Inductance (1kHz)
LE
1.21
mH
VC Diameter
76
mm
Winding material
Copper
Former material
Glass Fiber
Magnet
Force factor
Bl
19.19
N/A
Motor constant
Bl/√RE
7.01
N/√W
Material
Neodymium
Diaphragm
Effective diameter
251
mm
Effective area
SD
495
cm²
Moving mass
MMS
54.5
g
Moving mass (without air load)
MMD
46.3
g
Material
Coated Paper
Suspensions
Stiffness
KMS
3.1
N/mm
Compliance
CMS
323
µm/N
Equivalent volume to the compliance
VAS
128
L
Mechanical resistance
RMS
1.68
N·s/m
Surround material
Paper
Dimensions
Nominal diameter
12
″
320
mm
Overall diameter
320
mm
Baffle cutout diameter
292
mm
Overall depth
144
mm
Volume occupied by the driver (estimated)
2.5
L
Frame material
Steel
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Export this driver to a simulation software:
WinISD
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QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to Dayton Audio Apollo 12N
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12″Mid Bass
fS
37 Hz
SD
520 cm²
57 - 2800 Hz
QTS
0.24
xmax
4.8 mm
SPL1W
95 dB
Bl/√RE
7.4
Pmax
1000 W
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15″Low frequency
fS
37 Hz
SD
855 cm²
35 - 2000 Hz
QTS
0.26
xmax
9.8 mm
SPL1W
95 dB
Bl/√RE
12
Pmax
3200 W
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12″Coaxial
fS
42 Hz
SD
550 cm²
40 - 20000 Hz
QTS
0.25
xmax
6.0 mm
SPL1W
95 dB
Bl/√RE
7.71
Pmax
800 W