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
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
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
Precision Devices PD.153C002 Impedance
Precision Devices PD.153C002 SPL

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SD
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