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
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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
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15″Woofer
fS
40 Hz
SD
830 cm²
48 - 3000 Hz
QTS
0.26
xmax
7.0 mm
SPL1W
97 dB
Bl/√RE
9.75
Pmax
900 W