P.Audio GST-181500 v3
Low frequency
18″ / 457 mm
Nominal diameter
40 Hz
Resonance
0.6
Q factor
93 dB
Sensitivity
± 9 mm
Linear excursion
2800 W
Program Power
.jpg)
.jpg)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
92.9
dB
Frequency response
40 - 800
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
40.0
Hz
Mechanical quality factor
QMS
11.95
Electrical quality factor
QES
0.63
Total quality factor
QTS
0.60
Large signal parameters
Maximum linear excursion
xmax
9.0
mm
Air volume displaced at xmax
VD
1103
cm³
Power handling
P
1400
W
Program power
Pmax
2800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
1.26
mH
VC Diameter
126
mm
Winding height
HVC
32
mm
Winding material
Copper
Former material
Glass fiber
Magnet
Flux density
B
1.2
T
Force factor
Bl
26.77
N/A
Motor constant
Bl/√RE
11.3
N/√W
Air gap height
HAG
14
mm
Material
Ferrite
Diaphragm
Effective diameter
397
mm
Effective area
SD
1225
cm²
Moving mass
MMS
288.9
g
Moving mass (without air load)
MMD
258.8
g
Material
Waterproof Paper
Suspensions
Stiffness
KMS
23.26
N/mm
Compliance
CMS
43
µm/N
Equivalent volume to the compliance
VAS
92.2
L
Mechanical resistance
RMS
6.08
N·s/m
Surround material
Cloth
Spider material
Cotton (Double Silicone)
Dimensions
Nominal diameter
18
″
457
mm
Overall diameter
467
mm
Baffle cutout diameter
425
mm
Overall depth
252
mm
Flange thickness
20
mm
Mounting depth
232
mm
Volume occupied by the driver (estimated)
12.0
L
Net weight
24.8
kg
Frame material
Aluminium
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to P.Audio GST-181500 v3
.jpg.webp)
18″Low frequency
fS
45 Hz
SD
1225 cm²
35 - 1000 Hz
QTS
0.59
xmax
4.9 mm
SPL1W
92 dB
Bl/√RE
11
Pmax
3400 W
.jpg.webp)
15″Subwoofer
fS
40 Hz
SD
856 cm²
39 - 1200 Hz
QTS
0.52
xmax
9.0 mm
SPL1W
93 dB
Bl/√RE
7.97
Pmax
2400 W
.jpg.webp)
Beyma 15CMV28 Ω
15″Subwoofer
fS
49 Hz
SD
880 cm²
50 - 4000 Hz
QTS
0.49
xmax
7.0 mm
SPL1W
95 dB
Bl/√RE
7.68
Pmax
700 W