P.Audio E15-300S v2

Low frequency

15″ / 381 mm
Nominal diameter
44 Hz
Resonance
0.36
Q factor
97 dB
Sensitivity
± 4.25 mm
Linear excursion
600 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
97.3
dB
Frequency response
40 - 3500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
44.0
Hz
Mechanical quality factor
QMS
7.59
Electrical quality factor
QES
0.38
Total quality factor
QTS
0.36

Large signal parameters

Maximum linear excursion
xmax
4.25
mm
Air volume displaced at xmax
VD
363
cm³
Power handling
P
300
W
Program power
Pmax
600
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.4
Ω
Inductance (1kHz)
LE
0.9
mH
VC Diameter
76
mm
Winding height
HVC
18.5
mm
Winding material
SV-W
Former material
Kapton

Magnet

Flux density
B
1.2
T
Force factor
Bl
20.05
N/A
Motor constant
Bl/√RE
7.93
N/√W
Air gap height
HAG
10
mm
Material
Ferrite

Diaphragm

Effective diameter
332
mm
Effective area
SD
855
cm²
Moving mass
MMS
85.6
g
Moving mass (without air load)
MMD
68.1
g
Material
Paper

Suspensions

Stiffness
KMS
6.62
N/mm
Compliance
CMS
151
µm/N
Equivalent volume to the compliance
VAS
156
L
Mechanical resistance
RMS
3.12
N·s/m
Surround material
Cloth
Spider material
Cotton (Single)

Dimensions

Nominal diameter
15
381
mm
Overall diameter
390
mm
Baffle cutout diameter
360
mm
Overall depth
162
mm
Flange thickness
10
mm
Mounting depth
152
mm
Volume occupied by the driver (estimated)
3.8
L
Net weight
7.3
kg
Frame material
Steel
P.Audio E15-300S v2 SPL & Impedance
P.Audio E15-300S v2 Dimensions

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