4″ / 102 mm
Nominal diameter
73 Hz
Resonance
0.46
Q factor
86 dB
Sensitivity
± 4.43 mm
Linear excursion
90 W
Program Power
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Parts Express
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Specifications
Sensitivity (1W, 1m, infinite baffle)
SPL1W
86.1
dB
Frequency response
100 - 8000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
73.0
Hz
Mechanical quality factor
QMS
9.37
Electrical quality factor
QES
0.49
Total quality factor
QTS
0.46
Large signal parameters
Maximum linear excursion
xmax
4.43
mm
Air volume displaced at xmax
VD
24
cm³
Power handling
P
45
W
Program power
Pmax
90
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.1
Ω
Inductance (1kHz)
LE
0.12
mH
VC Diameter
32
mm
Magnet
Force factor
Bl
5.83
N/A
Motor constant
Bl/√RE
2.36
N/√W
Air gap height
HAG
4
mm
Material
Neodymium
Diaphragm
Effective diameter
83
mm
Effective area
SD
54
cm²
Moving mass
MMS
5.9
g
Moving mass (without air load)
MMD
5.6
g
Material
Patented PentaCut
Suspensions
Stiffness
KMS
1.25
N/mm
Compliance
CMS
800
µm/N
Equivalent volume to the compliance
VAS
3.3
L
Mechanical resistance
RMS
0.29
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
4
″
102
mm
Volume occupied by the driver (estimated)
0.15
L
Net weight
0.41
kg
Frame material
Cast Aluminium
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to Peerless NE123W-08
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4″Full-range
fS
75 Hz
SD
57 cm²
75 - 20000 Hz
QTS
0.46
xmax
3.0 mm
SPL1W
87 dB
Bl/√RE
1.91
Pmax
60 W
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5″Mid Bass
fS
73 Hz
SD
85 cm²
70 - 4000 Hz
QTS
0.41
xmax
3.4 mm
SPL1W
87 dB
Bl/√RE
3.23
Pmax
180 W
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5″Woofer
fS
76 Hz
SD
54 cm²
75 - 9200 Hz
QTS
0.50
xmax
2.8 mm
SPL1W
86 dB
Bl/√RE
1.99
Pmax
60 W