2.5″ / 64 mm
Nominal diameter
130 Hz
Resonance
0.86
Q factor
82 dB
Sensitivity
± 2.65 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
81.7
dB
Frequency response
80 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
130
Hz
Mechanical quality factor
QMS
4.46
Electrical quality factor
QES
1.07
Total quality factor
QTS
0.86
Large signal parameters
Maximum linear excursion
xmax
2.65
mm
Air volume displaced at xmax
VD
5.6
cm³
Power handling
P
25
W
Program power
Pmax
50
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.5
Ω
Inductance (1kHz)
LE
0.04
mH
VC Diameter
26
mm
Magnet
Force factor
Bl
2.38
N/A
Motor constant
Bl/√RE
1.27
N/√W
Air gap height
HAG
3
mm
Diaphragm
Effective diameter
52
mm
Effective area
SD
21
cm²
Moving mass
MMS
2.2
g
Moving mass (without air load)
MMD
2.1
g
Suspensions
Stiffness
KMS
1.39
N/mm
Compliance
CMS
720
µm/N
Equivalent volume to the compliance
VAS
0.499
L
Mechanical resistance
RMS
0.4
N·s/m
Surround material
NBR Rubber
Dimensions
Nominal diameter
2.5
″
64
mm
Volume occupied by the driver (estimated)
0.11
L
Net weight
0.31
kg
Similar speaker drivers to Peerless PLS-65F25AL01-04
2.5″Full-range
fS
120 Hz
SD
21 cm²
80 - 15000 Hz
QTS
0.71
xmax
2.7 mm
SPL1W
82 dB
Bl/√RE
1.43
Pmax
60 W
2.5″Full-range
fS
120 Hz
SD
21 cm²
100 - 10000 Hz
QTS
0.78
xmax
2.7 mm
SPL1W
81 dB
Bl/√RE
1.32
Pmax
50 W
2.5″Full-range
fS
110 Hz
SD
21 cm²
80 - 16000 Hz
QTS
0.75
xmax
3.4 mm
SPL1W
82 dB
Bl/√RE
1.37
Pmax
50 W