Peerless NE149W-04

Woofer

5″ / 133 mm
Nominal diameter
72 Hz
Resonance
0.45
Q factor
87 dB
Sensitivity
± 7 mm
Linear excursion
120 W
Program Power
Discontinued
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
87.1
dB
Frequency response
100 - 5000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
72.0
Hz
Mechanical quality factor
QMS
6.54
Electrical quality factor
QES
0.48
Total quality factor
QTS
0.45

Large signal parameters

Maximum linear excursion
xmax
7.0
mm
Air volume displaced at xmax
VD
60
cm³
Power handling
P
60
W
Program power
Pmax
120
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.4
Ω
Inductance (1kHz)
LE
0.09
mH
VC Diameter
38
mm

Magnet

Force factor
Bl
6.09
N/A
Motor constant
Bl/√RE
3.3
N/√W
Air gap height
HAG
6
mm
Material
Neodymium

Diaphragm

Effective diameter
104
mm
Effective area
SD
85
cm²
Moving mass
MMS
11.5
g
Moving mass (without air load)
MMD
10.9
g
Material
Patented PentaCut

Suspensions

Stiffness
KMS
2.38
N/mm
Compliance
CMS
420
µm/N
Equivalent volume to the compliance
VAS
4.3
L
Mechanical resistance
RMS
0.8
N·s/m

Dimensions

Nominal diameter
5
133
mm
Volume occupied by the driver (estimated)
0.28
L
Net weight
0.72
kg
Frame material
Cast Aluminium
Peerless NE149W-04 SPL & Impedance
Peerless NE149W-04 Dimensions

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