P.Audio GST-151200 v3

Low frequency

15″ / 381 mm
Nominal diameter
44 Hz
Resonance
0.51
Q factor
93 dB
Sensitivity
± 4.12 mm
Linear excursion
2400 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
92.7
dB
Frequency response
40 - 2000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
44.0
Hz
Mechanical quality factor
QMS
12.33
Electrical quality factor
QES
0.53
Total quality factor
QTS
0.51

Large signal parameters

Maximum linear excursion
xmax
4.12
mm
Air volume displaced at xmax
VD
363
cm³
Power handling
P
1200
W
Program power
Pmax
2400
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
0.83
mH
VC Diameter
102
mm
Winding height
HVC
27
mm
Winding material
Copper
Former material
Glass fiber

Magnet

Flux density
B
1.1
T
Force factor
Bl
23.12
N/A
Motor constant
Bl/√RE
9.77
N/√W
Air gap height
HAG
15
mm
Material
Ferrite

Diaphragm

Effective diameter
332
mm
Effective area
SD
881
cm²
Moving mass
MMS
180.2
g
Moving mass (without air load)
MMD
162.2
g
Material
Waterproof Paper

Suspensions

Stiffness
KMS
14.29
N/mm
Compliance
CMS
70
µm/N
Equivalent volume to the compliance
VAS
76.8
L
Mechanical resistance
RMS
4.04
N·s/m
Surround material
Cloth
Spider material
Cotton (Double Silicone)

Dimensions

Nominal diameter
15
381
mm
Overall diameter
388
mm
Baffle cutout diameter
350
mm
Overall depth
197
mm
Flange thickness
17
mm
Mounting depth
180
mm
Volume occupied by the driver (estimated)
6.8
L
Net weight
15.2
kg
Frame material
Aluminium
P.Audio GST-151200 v3 SPL & Impedance
P.Audio GST-151200 v3 Dimensions

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