Precision Devices PD.153C002
Mid-range
15″ / 381 mm
Nominal diameter
38 Hz
Resonance
0.25
Q factor
98 dB
Sensitivity
± 6.75 mm
Linear excursion
900 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
98.4
dB
Frequency response
40 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
38.0
Hz
Mechanical quality factor
QMS
4.03
Electrical quality factor
QES
0.27
Total quality factor
QTS
0.25
Large signal parameters
Maximum linear excursion
xmax
6.75
mm
Air volume displaced at xmax
VD
576
cm³
Power handling
P
450
W
Program power
Pmax
900
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
1.28
mH
VC Diameter
76
mm
Winding height
HVC
18.5
mm
Winding material
Copper Clad Aluminium
Former material
Kapton
Magnet
Flux density
B
1.2
T
Force factor
Bl
18.9
N/A
Motor constant
Bl/√RE
7.99
N/√W
Air gap height
HAG
10
mm
Weight
3.3
kg
Material
Ferrite Y30
Diaphragm
Effective diameter
330
mm
Effective area
SD
853
cm²
Moving mass
MMS
67.1
g
Moving mass (without air load)
MMD
49
g
Suspensions
Stiffness
KMS
3.93
N/mm
Compliance
CMS
254
µm/N
Equivalent volume to the compliance
VAS
263
L
Mechanical resistance
RMS
3.98
N·s/m
Dimensions
Nominal diameter
15
″
381
mm
Overall diameter
408
mm
Baffle cutout diameter
354
mm
Overall depth
153
mm
Flange thickness
11
mm
Mounting depth
142
mm
Volume occupied by the driver (estimated)
4.8
L
Net weight
10.85
kg
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SpeakerbenchSimilar subwoofers to Precision Devices PD.153C002
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fS
40 Hz
SD
900 cm²
50 - 4800 Hz
QTS
0.26
xmax
4.0 mm
SPL1W
98 dB
Bl/√RE
8.53
Pmax
600 W
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15″Mid Bass
fS
42 Hz
SD
850 cm²
45 - 4300 Hz
QTS
0.29
xmax
5.5 mm
SPL1W
98 dB
Bl/√RE
7.87
Pmax
600 W
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