Peerless HDS-P830992
Woofer
4″ / 102 mm
Nominal diameter
120 Hz
Resonance
0.66
Q factor
86 dB
Sensitivity
± 4.98 mm
Linear excursion
60 W
Program Power
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Available on (affiliate link)
Parts Express
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.6
dB
Frequency response
60 - 15000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
120
Hz
Mechanical quality factor
QMS
2.17
Electrical quality factor
QES
0.94
Total quality factor
QTS
0.66
Large signal parameters
Maximum linear excursion
xmax
4.98
mm
Air volume displaced at xmax
VD
28
cm³
Power handling
P
30
W
Program power
Pmax
60
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
0.23
mH
VC Diameter
26
mm
Magnet
Force factor
Bl
4.85
N/A
Motor constant
Bl/√RE
2.13
N/√W
Air gap height
HAG
6
mm
Material
Ferrite
Diaphragm
Effective diameter
84
mm
Effective area
SD
55
cm²
Moving mass
MMS
5.7
g
Moving mass (without air load)
MMD
5.4
g
Material
Glass Fibre
Suspensions
Stiffness
KMS
3.13
N/mm
Compliance
CMS
320
µm/N
Equivalent volume to the compliance
VAS
1.39
L
Mechanical resistance
RMS
1.99
N·s/m
Dimensions
Nominal diameter
4
″
102
mm
Volume occupied by the driver (estimated)
0.36
L
Net weight
0.906
kg
Frame material
Cast Aluminium
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fS
122 Hz
SD
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150 - 10000 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
1.53
Pmax
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fS
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SD
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xmax
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SPL1W
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fS
117 Hz
SD
29 cm²
150 - 20000 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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