Peerless PMT-40N25AL02-04

Miniature

1.5″ / 40 mm
Nominal diameter
241 Hz
Resonance
0.47
Q factor
82 dB
Sensitivity
± 1.9 mm
Linear excursion
10 W
Program Power
Discontinued
Peerless PMT-40N25AL02-04 MiniaturePeerless PMT-40N25AL02-04 Miniature
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
81.8
dB
Frequency response
100 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
241
Hz
Mechanical quality factor
QMS
2.39
Electrical quality factor
QES
0.58
Total quality factor
QTS
0.47

Large signal parameters

Maximum linear excursion
xmax
1.9
mm
Air volume displaced at xmax
VD
1.6
cm³
Power handling
P
5
W
Program power
Pmax
10
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.5
Ω
Inductance (1kHz)
LE
0.07
mH
VC Diameter
26
mm
Former material
Kapton

Magnet

Force factor
Bl
2.96
N/A
Motor constant
Bl/√RE
1.58
N/√W
Air gap height
HAG
2
mm

Diaphragm

Effective diameter
33
mm
Effective area
SD
8.5
cm²
Moving mass
MMS
1
g
Moving mass (without air load)
MMD
1
g

Suspensions

Stiffness
KMS
2.18
N/mm
Compliance
CMS
458
µm/N
Equivalent volume to the compliance
VAS
0.05
L
Mechanical resistance
RMS
0.63
N·s/m

Dimensions

Nominal diameter
1.5
″
40
mm
Net weight
0.06
kg
SPL & Impedance
Peerless PMT-40N25AL02-04 SPL & Impedance
Peerless PMT-40N25AL02-04 Dimensions
DatasheetDatasheet

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