Precision Devices PD.154C001

Subwoofer

15″ / 381 mm
Nominal diameter
45 Hz
Resonance
0.31
Q factor
96 dB
Sensitivity
± 8.2 mm
Linear excursion
1400 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
96.4
dB
Frequency response
45 - 1000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
4.29
Electrical quality factor
QES
0.34
Total quality factor
QTS
0.31

Large signal parameters

Maximum linear excursion
xmax
8.2
mm
Air volume displaced at xmax
VD
736
cm³
Power handling
P
700
W
Program power
Pmax
1400
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.1
Ω
Inductance (1kHz)
LE
1.8
mH
VC Diameter
102
mm
Winding height
HVC
22
mm
Winding material
Copper Clad Aluminium
Former material
Glass Fibre

Magnet

Flux density
B
1.39
T
Force factor
Bl
25.5
N/A
Motor constant
Bl/√RE
10.3
N/√W
Air gap height
HAG
10
mm
Weight
3.4
kg
Material
Ceramic

Diaphragm

Effective diameter
338
mm
Effective area
SD
898
cm²
Moving mass
MMS
119
g
Moving mass (without air load)
MMD
99.8
g
Material
Paper

Suspensions

Stiffness
KMS
8.94
N/mm
Compliance
CMS
112
µm/N
Equivalent volume to the compliance
VAS
128
L
Mechanical resistance
RMS
7.84
N·s/m

Dimensions

Nominal diameter
15
381
mm
Overall diameter
408
mm
Baffle cutout diameter
354
mm
Overall depth
154
mm
Flange thickness
11
mm
Mounting depth
143
mm
Volume occupied by the driver (estimated)
5.4
L
Net weight
12.8
kg
Precision Devices PD.154C001 Impedance
Precision Devices PD.154C001 SPL

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