P.Audio EX12-500S
Low frequency
12″ / 305 mm
Nominal diameter
56 Hz
Resonance
0.4
Q factor
96 dB
Sensitivity
± 3.9 mm
Linear excursion
800 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.8
dB
Frequency response
50 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
56.0
Hz
Mechanical quality factor
QMS
6.46
Electrical quality factor
QES
0.43
Total quality factor
QTS
0.40
Large signal parameters
Maximum linear excursion
xmax
3.9
mm
Air volume displaced at xmax
VD
207
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
0.58
mH
VC Diameter
76
mm
Winding height
HVC
16.8
mm
Winding material
CCA-W
Former material
Kapton
Magnet
Flux density
B
1.1
T
Force factor
Bl
16.33
N/A
Motor constant
Bl/√RE
6.9
N/√W
Air gap height
HAG
9
mm
Material
Ferrite
Diaphragm
Effective diameter
263
mm
Effective area
SD
531
cm²
Moving mass
MMS
54.5
g
Moving mass (without air load)
MMD
45.8
g
Material
Paper
Suspensions
Stiffness
KMS
7.35
N/mm
Compliance
CMS
136
µm/N
Equivalent volume to the compliance
VAS
54.5
L
Mechanical resistance
RMS
2.97
N·s/m
Surround material
Cloth
Spider material
Cotton (Single)
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
312
mm
Baffle cutout diameter
278
mm
Overall depth
153
mm
Flange thickness
9
mm
Mounting depth
144
mm
Volume occupied by the driver (estimated)
3.1
L
Net weight
7.0
kg
Frame material
Steel
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Export this driver to a simulation software:
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QSpeakers
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SpeakerbenchSimilar speaker drivers to P.Audio EX12-500S
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12″Coaxial
fS
55 Hz
SD
540 cm²
50 - 20000 Hz
QTS
0.37
xmax
9.3 mm
SPL1W
96 dB
Bl/√RE
7.35
Pmax
800 W
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12″Low frequency
fS
60 Hz
SD
531 cm²
50 - 4000 Hz
QTS
0.37
xmax
4.5 mm
SPL1W
96 dB
Bl/√RE
6.77
Pmax
600 W
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12″Coaxial
fS
56 Hz
SD
539 cm²
55 - 20000 Hz
QTS
0.37
xmax
7.4 mm
SPL1W
97 dB
Bl/√RE
6.95
Pmax
500 W