Dayton Audio Point Source PS65LP-4

Full-range

6.5″ / 165 mm
Nominal diameter
67 Hz
Resonance
0.24
Q factor
94 dB
Sensitivity
± 4 mm
Linear excursion
80 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
Sensitivity (1W, 1m, infinite baffle)
SPL1W
94.3
dB
Frequency response
60 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
67.3
Hz
Mechanical quality factor
QMS
3.85
Electrical quality factor
QES
0.26
Total quality factor
QTS
0.24

Large signal parameters

Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
49
cm³
Power handling
P
40
W
Program power
Pmax
80
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
0.39
mH
VC Diameter
25
mm
Winding material
Copper Clad Aluminium
Former material
Kapton®

Magnet

Force factor
Bl
6.0
N/A
Motor constant
Bl/√RE
3.35
N/√W
Material
Neodymium

Diaphragm

Effective diameter
125
mm
Effective area
SD
123
cm²
Moving mass
MMS
6.8
g
Moving mass (without air load)
MMD
5.8
g

Suspensions

Stiffness
KMS
1.22
N/mm
Compliance
CMS
820
µm/N
Equivalent volume to the compliance
VAS
17.3
L
Mechanical resistance
RMS
0.75
N·s/m
Surround material
Textile

Dimensions

Nominal diameter
6.5
165
mm
Overall diameter
165
mm
Baffle cutout diameter
144
mm
Overall depth
63
mm
Volume occupied by the driver (estimated)
0.34
L
Frame material
Stamped Steel
Dayton Audio PS65LP-4 Impedance
Dayton Audio PS65LP-4 SPL
Dayton Audio PS65LP-4 Dimensions

Export this driver to a simulation software:

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