P.Audio EX12-300S

Low frequency

12″ / 305 mm
Nominal diameter
66 Hz
Resonance
0.54
Q factor
95 dB
Sensitivity
± 3.1 mm
Linear excursion
500 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
95.1
dB
Frequency response
60 - 5000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
66.0
Hz
Mechanical quality factor
QMS
3.34
Electrical quality factor
QES
0.64
Total quality factor
QTS
0.54

Large signal parameters

Maximum linear excursion
xmax
3.1
mm
Air volume displaced at xmax
VD
165
cm³
Power handling
P
250
W
Program power
Pmax
500
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
0.5
mH
VC Diameter
64
mm
Winding height
HVC
16.2
mm
Winding material
CCA-W
Former material
Glass fiber

Magnet

Flux density
B
1.1
T
Force factor
Bl
13.73
N/A
Motor constant
Bl/√RE
5.7
N/√W
Air gap height
HAG
10
mm
Material
Ferrite

Diaphragm

Effective diameter
259
mm
Effective area
SD
531
cm²
Moving mass
MMS
50.5
g
Moving mass (without air load)
MMD
41.8
g
Material
Paper

Suspensions

Stiffness
KMS
8.7
N/mm
Compliance
CMS
115
µm/N
Equivalent volume to the compliance
VAS
45.9
L
Mechanical resistance
RMS
6.26
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
148
mm
Flange thickness
9
mm
Mounting depth
139
mm
Volume occupied by the driver (estimated)
2.3
L
Net weight
4.7
kg
Frame material
Steel
P.Audio EX12-300S SPL & Impedance
P.Audio EX12-300S Dimensions

Export this driver to a simulation software:

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