Precision Devices PD.153C01
Subwoofer
15″ / 380 mm
Nominal diameter
39 Hz
Resonance
0.27
Q factor
99 dB
Sensitivity
± 5.7 mm
Linear excursion
800 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
99.2
dB
Frequency response
40 - 3500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
39.0
Hz
Mechanical quality factor
QMS
13.13
Electrical quality factor
QES
0.27
Total quality factor
QTS
0.27
Large signal parameters
Maximum linear excursion
xmax
5.7
mm
Maximum excursion before damage
xlim
15.0
mm
Air volume displaced at xmax
VD
517
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
0.4
mH
VC Diameter
76
mm
Winding height
HVC
17
mm
Winding material
Copper
Former material
Glass Fibre
Magnet
Flux density
B
1.35
T
Force factor
Bl
21.72
N/A
Motor constant
Bl/√RE
9.51
N/√W
Air gap height
HAG
9
mm
Material
Ceramic
Diaphragm
Effective diameter
340
mm
Effective area
SD
907
cm²
Moving mass
MMS
100
g
Moving mass (without air load)
MMD
80.5
g
Material
Paper
Suspensions
Stiffness
KMS
5.88
N/mm
Compliance
CMS
170
µm/N
Equivalent volume to the compliance
VAS
195
L
Mechanical resistance
RMS
1.87
N·s/m
Dimensions
Nominal diameter
15
″
380
mm
Overall diameter
410
mm
Baffle cutout diameter
357
mm
Overall depth
141
mm
Flange thickness
10
mm
Mounting depth
131
mm
Volume occupied by the driver (estimated)
4.2
L
Net weight
9.5
kg
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fS
40 Hz
SD
855 cm²
40 - 3000 Hz
QTS
0.30
xmax
5.5 mm
SPL1W
98 dB
Bl/√RE
8.68
Pmax
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fS
43 Hz
SD
855 cm²
40 - 18000 Hz
QTS
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SPL1W
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fS
41 Hz
SD
850 cm²
38 - 5000 Hz
QTS
0.27
xmax
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SPL1W
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Bl/√RE
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