Peerless NE85W-04

Full-range

2.5″ / 64 mm
Nominal diameter
110 Hz
Resonance
0.68
Q factor
83 dB
Sensitivity
± 3.08 mm
Linear excursion
50 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
83.0
dB
Frequency response
80 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
110
Hz
Mechanical quality factor
QMS
10.30
Electrical quality factor
QES
0.73
Total quality factor
QTS
0.68

Large signal parameters

Maximum linear excursion
xmax
3.08
mm
Air volume displaced at xmax
VD
6.8
cm³
Power handling
P
25
W
Program power
Pmax
50
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.7
Ω
Inductance (1kHz)
LE
0.07
mH
VC Diameter
26
mm

Magnet

Force factor
Bl
2.73
N/A
Motor constant
Bl/√RE
1.42
N/√W
Air gap height
HAG
4
mm
Material
Neodymium

Diaphragm

Effective diameter
53
mm
Effective area
SD
22
cm²
Moving mass
MMS
2.1
g
Moving mass (without air load)
MMD
2
g
Material
Aluminum

Suspensions

Stiffness
KMS
1.02
N/mm
Compliance
CMS
980
µm/N
Equivalent volume to the compliance
VAS
0.674
L
Mechanical resistance
RMS
0.14
N·s/m

Dimensions

Nominal diameter
2.5
64
mm
Net weight
0.236
kg
Frame material
Cast Aluminium
Peerless NE85W-04 SPL & Impedance
Peerless NE85W-04 Dimensions

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