P.Audio GST-181200 v3
Low frequency
18″ / 457 mm
Nominal diameter
35 Hz
Resonance
0.54
Q factor
93 dB
Sensitivity
± 6 mm
Linear excursion
2400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.2
dB
Frequency response
30 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
35.0
Hz
Mechanical quality factor
QMS
13.73
Electrical quality factor
QES
0.57
Total quality factor
QTS
0.54
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Air volume displaced at xmax
VD
735
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
0.76
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
22.8
N/A
Motor constant
Bl/√RE
9.63
N/√W
Air gap height
HAG
15
mm
Material
Ferrite
Diaphragm
Effective diameter
397
mm
Effective area
SD
1225
cm²
Moving mass
MMS
238.9
g
Moving mass (without air load)
MMD
208.9
g
Material
Waterproof Paper
Suspensions
Stiffness
KMS
11.77
N/mm
Compliance
CMS
85
µm/N
Equivalent volume to the compliance
VAS
180
L
Mechanical resistance
RMS
3.83
N·s/m
Surround material
Cloth
Spider material
Cotton (Silicone Impregnated)
Dimensions
Nominal diameter
18
″
457
mm
Overall diameter
467
mm
Baffle cutout diameter
425
mm
Overall depth
235
mm
Flange thickness
21
mm
Mounting depth
214
mm
Volume occupied by the driver (estimated)
8.9
L
Net weight
16.0
kg
Frame material
Aluminium
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Export this driver to a simulation software:
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SpeakerbenchSimilar speaker drivers to P.Audio GST-181200 v3
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18″Subwoofer
fS
34 Hz
SD
1134 cm²
30 - 2000 Hz
QTS
0.52
xmax
10.5 mm
SPL1W
93 dB
Bl/√RE
8.91
Pmax
1400 W
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15″Subwoofer
fS
35 Hz
SD
847 cm²
35 - 3150 Hz
QTS
0.45
xmax
9.3 mm
SPL1W
94 dB
Bl/√RE
6.68
Pmax
1000 W
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15″Subwoofer
fS
35 Hz
SD
870 cm²
35 - 4000 Hz
QTS
0.48
xmax
5.2 mm
SPL1W
94 dB
Bl/√RE
6.71
Pmax
600 W