Precision Devices PD.184NR1
Subwoofer
18″ / 460 mm
Nominal diameter
38 Hz
Resonance
0.27
Q factor
96 dB
Sensitivity
± 8.5 mm
Linear excursion
2000 W
Program Power
.jpg)
.jpg)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.5
dB
Frequency response
30 - 800
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
38.0
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
8.5
mm
Air volume displaced at xmax
VD
989
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
1.89
mH
VC Diameter
102
mm
Winding height
HVC
22
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
11
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
8.36
N·s/m
Dimensions
Nominal diameter
18
″
460
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)
5.8
L
Net weight
9.6
kg
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to Precision Devices PD.184NR1
.jpg.webp)
18″Subwoofer
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
.jpg.webp)
18″Subwoofer
fS
34 Hz
SD
1164 cm²
30 - 800 Hz
QTS
0.27
xmax
11.8 mm
SPL1W
95 dB
Bl/√RE
13
Pmax
2800 W
.jpg.webp)
18″Woofer
fS
33 Hz
SD
1158 cm²
35 - 1000 Hz
QTS
0.28
xmax
12.5 mm
SPL1W
95 dB
Bl/√RE
13
Pmax
3200 W