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
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
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
Peerless SDF-375F75PR01-04 SPL & Impedance
Peerless SDF-375F75PR01-04 Dimensions

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