Peerless SDF-375F75PR01-04
Subwoofer
15″ / 381 mm
Nominal diameter
26 Hz
Resonance
0.42
Q factor
88 dB
Sensitivity
± 23.9 mm
Linear excursion
600 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.5
dB
Frequency response
30 - 300
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
26.0
Hz
Mechanical quality factor
QMS
9.31
Electrical quality factor
QES
0.44
Total quality factor
QTS
0.42
Large signal parameters
Maximum linear excursion
xmax
23.9
mm
Air volume displaced at xmax
VD
1843
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
2.8
Ω
Inductance (1kHz)
LE
1.14
mH
VC Diameter
76
mm
Magnet
Force factor
Bl
19.2
N/A
Motor constant
Bl/√RE
11.5
N/√W
Air gap height
HAG
18
mm
Material
Ferrite
Diaphragm
Effective diameter
313
mm
Effective area
SD
771
cm²
Moving mass
MMS
348
g
Moving mass (without air load)
MMD
332.6
g
Material
Paper
Suspensions
Stiffness
KMS
9.09
N/mm
Compliance
CMS
110
µm/N
Equivalent volume to the compliance
VAS
91.2
L
Mechanical resistance
RMS
6.11
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
15
″
381
mm
Volume occupied by the driver (estimated)
8.1
L
Net weight
17.4
kg
Frame material
Cast Aluminium
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