P.Audio 18NT-100SW
FT
NT
Low frequency
18″ / 457 mm
Nominal diameter
41 Hz
Resonance
0.48
Q factor
95 dB
Sensitivity
± 9 mm
Linear excursion
2400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.7
dB
Frequency response
35 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
41.0
Hz
Mechanical quality factor
QMS
11.67
Electrical quality factor
QES
0.50
Total quality factor
QTS
0.48
Large signal parameters
Maximum linear excursion
xmax
9.0
mm
Air volume displaced at xmax
VD
1103
cm³
Power handling
P
1200
W
Program power
Pmax
2400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
1.05
mH
VC Diameter
99
mm
Winding height
HVC
29
mm
Winding material
Copper
Former material
Glass fiber
Magnet
Flux density
B
1.3
T
Force factor
Bl
25.24
N/A
Motor constant
Bl/√RE
10.5
N/√W
Air gap height
HAG
11
mm
Material
Neodymium
Diaphragm
Effective diameter
397
mm
Effective area
SD
1225
cm²
Moving mass
MMS
212.1
g
Moving mass (without air load)
MMD
182.1
g
Material
Waterproof Paper
Suspensions
Stiffness
KMS
14.71
N/mm
Compliance
CMS
68
µm/N
Equivalent volume to the compliance
VAS
145
L
Mechanical resistance
RMS
4.68
N·s/m
Surround material
Cloth
Spider material
Cotton (Silicone impregnated)
Dimensions
Nominal diameter
18
″
457
mm
Overall diameter
466
mm
Baffle cutout diameter
426
mm
Overall depth
258
mm
Flange thickness
23
mm
Mounting depth
235
mm
Volume occupied by the driver (estimated)
6.8
L
Net weight
9.5
kg
Frame material
Aluminium
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
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SpeakerSim
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SpeakerbenchSimilar speaker drivers to P.Audio 18NT-100SW
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15″Woofer
fS
43 Hz
SD
855 cm²
45 - 3000 Hz
QTS
0.49
xmax
4.7 mm
SPL1W
95 dB
Bl/√RE
6.86
Pmax
500 W
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18″Subwoofer
fS
38 Hz
SD
1212 cm²
38 - 2500 Hz
QTS
0.41
xmax
9.0 mm
SPL1W
95 dB
Bl/√RE
10
Pmax
2000 W
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19″Low frequency
fS
44 Hz
SD
1555 cm²
40 - 1000 Hz
QTS
0.50
xmax
10.0 mm
SPL1W
95 dB
Bl/√RE
13
Pmax
3000 W