P.Audio P180/2242 v3

Low frequency

18″ / 457 mm
Nominal diameter
46 Hz
Resonance
0.68
Q factor
94 dB
Sensitivity
± 6.8 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
94.0
dB
Frequency response
40 - 1000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
46.0
Hz
Mechanical quality factor
QMS
7.41
Electrical quality factor
QES
0.75
Total quality factor
QTS
0.68

Large signal parameters

Maximum linear excursion
xmax
6.8
mm
Air volume displaced at xmax
VD
833
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
0.97
mH
VC Diameter
99
mm
Winding height
HVC
25.5
mm
Winding material
Flat aluminium wire
Former material
Glass fiber

Magnet

Flux density
B
1.0
T
Force factor
Bl
20.2
N/A
Motor constant
Bl/√RE
8.54
N/√W
Air gap height
HAG
12
mm
Material
Ferrite

Diaphragm

Effective diameter
405
mm
Effective area
SD
1225
cm²
Moving mass
MMS
186.7
g
Moving mass (without air load)
MMD
156.8
g
Material
Paper

Suspensions

Stiffness
KMS
16.13
N/mm
Compliance
CMS
62
µm/N
Equivalent volume to the compliance
VAS
131
L
Mechanical resistance
RMS
7.29
N·s/m
Surround material
Cloth
Spider material
Cotton (Double Silicone)

Dimensions

Nominal diameter
18
457
mm
Overall diameter
466
mm
Baffle cutout diameter
426
mm
Overall depth
237
mm
Flange thickness
19
mm
Mounting depth
218
mm
Volume occupied by the driver (estimated)
8.8
L
Net weight
15.5
kg
Frame material
Aluminium
P.Audio P180/2242 v3 SPL & Impedance
P.Audio P180/2242 v3 Dimensions

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