P.Audio E12-300S v2
Low frequency
12″ / 305 mm
Nominal diameter
57 Hz
Resonance
0.4
Q factor
95 dB
Sensitivity
± 3.4 mm
Linear excursion
600 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.3
dB
Frequency response
50 - 3500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
57.0
Hz
Mechanical quality factor
QMS
7.65
Electrical quality factor
QES
0.42
Total quality factor
QTS
0.40
Large signal parameters
Maximum linear excursion
xmax
3.4
mm
Air volume displaced at xmax
VD
181
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
0.55
mH
VC Diameter
76
mm
Winding height
HVC
16.8
mm
Winding material
CCA-W
Former material
Glass fiber
Magnet
Flux density
B
1.2
T
Force factor
Bl
17.12
N/A
Motor constant
Bl/√RE
7.23
N/√W
Air gap height
HAG
10
mm
Material
Ferrite
Diaphragm
Effective diameter
256
mm
Effective area
SD
531
cm²
Moving mass
MMS
61.3
g
Moving mass (without air load)
MMD
52.6
g
Material
Paper
Suspensions
Stiffness
KMS
7.94
N/mm
Compliance
CMS
126
µm/N
Equivalent volume to the compliance
VAS
50.4
L
Mechanical resistance
RMS
2.87
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)
3.0
L
Net weight
7.0
kg
Frame material
Steel
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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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10″Bass Guitar Speaker
fS
55 Hz
SD
350 cm²
55 - 3500 Hz
QTS
0.39
xmax
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SPL1W
95 dB
Bl/√RE
4.75
Pmax
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12″Low frequency
fS
56 Hz
SD
531 cm²
50 - 5000 Hz
QTS
0.40
xmax
3.9 mm
SPL1W
96 dB
Bl/√RE
6.9
Pmax
800 W