Peerless SLS-85S25CP04-04

Woofer

3.5″ / 89 mm
Nominal diameter
73 Hz
Resonance
0.36
Q factor
83 dB
Sensitivity
± 6.5 mm
Linear excursion
60 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

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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
83.4
dB
Frequency response
200 - 2000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
73.0
Hz
Mechanical quality factor
QMS
5.41
Electrical quality factor
QES
0.39
Total quality factor
QTS
0.36

Large signal parameters

Maximum linear excursion
xmax
6.5
mm
Air volume displaced at xmax
VD
21
cm³
Power handling
P
30
W
Program power
Pmax
60
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
0.17
mH
VC Diameter
26
mm

Magnet

Force factor
Bl
4.3
N/A
Motor constant
Bl/√RE
2.4
N/√W
Air gap height
HAG
6
mm
Material
Ferrite

Diaphragm

Effective diameter
64
mm
Effective area
SD
32
cm²
Moving mass
MMS
4.9
g
Moving mass (without air load)
MMD
4.7
g
Material
Paper

Suspensions

Stiffness
KMS
1.03
N/mm
Compliance
CMS
970
µm/N
Equivalent volume to the compliance
VAS
1.43
L
Mechanical resistance
RMS
0.41
N·s/m

Dimensions

Nominal diameter
3.5
89
mm
Volume occupied by the driver (estimated)
0.35
L
Net weight
0.88
kg
Frame material
Pressed Steel
Peerless SLS-85S25CP04-04 SPL & Impedance
Peerless SLS-85S25CP04-04 Dimensions

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fS
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SD
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75 - 20000 Hz
QTS
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xmax
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SPL1W
85 dB
Bl/√RE
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Pmax
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