Precision Devices PD.185NR1

Subwoofer

18″ / 457 mm
Nominal diameter
34 Hz
Resonance
0.27
Q factor
95 dB
Sensitivity
± 11.75 mm
Linear excursion
2800 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
95.4
dB
Frequency response
30 - 800
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
34.0
Hz
Mechanical quality factor
QMS
6.17
Electrical quality factor
QES
0.29
Total quality factor
QTS
0.27

Large signal parameters

Maximum linear excursion
xmax
11.75
mm
Air volume displaced at xmax
VD
1368
cm³
Power handling
P
1400
W
Program power
Pmax
2800
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
2.49
mH
VC Diameter
127
mm
Winding height
HVC
30.5
mm
Winding material
Copper
Former material
Glass Fibre

Magnet

Flux density
B
1.18
T
Force factor
Bl
29.5
N/A
Motor constant
Bl/√RE
12.7
N/√W
Air gap height
HAG
13
mm
Material
Neodymium

Diaphragm

Effective diameter
385
mm
Effective area
SD
1164
cm²
Moving mass
MMS
216
g
Moving mass (without air load)
MMD
187.2
g
Material
Paper

Suspensions

Stiffness
KMS
10.03
N/mm
Compliance
CMS
100
µm/N
Equivalent volume to the compliance
VAS
102
L
Mechanical resistance
RMS
7.48
N·s/m

Dimensions

Nominal diameter
18
457
mm
Overall diameter
474
mm
Baffle cutout diameter
415
mm
Overall depth
200
mm
Flange thickness
15
mm
Mounting depth
185
mm
Volume occupied by the driver (estimated)
7.0
L
Net weight
12.73
kg
Precision Devices PD.185NR1 Impedance
Precision Devices PD.185NR1 SPL

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

Similar subwoofers to Precision Devices PD.185NR1

B&C Speaker 21SW152 Subwoofer
21Subwoofer
fS
32 Hz
SD
1680 cm²
30 - 1000 Hz
QTS
0.30
xmax
15.0 mm
SPL1W
95 dB
Bl/√RE
18
Pmax
4000 W
Oberton 18XB1300 Subwoofer
18Subwoofer
fS
35 Hz
SD
1158 cm²
35 - 1000 Hz
QTS
0.29
xmax
12.0 mm
SPL1W
96 dB
Bl/√RE
12
Pmax
2600 W