3.5″ / 77 mm
Nominal diameter
120 Hz
Resonance
0.72
Q factor
85 dB
Sensitivity
± 2.5 mm
Linear excursion
20 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
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.0
dB
Frequency response
110 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
120
Hz
Mechanical quality factor
QMS
7.33
Electrical quality factor
QES
0.80
Total quality factor
QTS
0.72
Large signal parameters
Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
7.1
cm³
Power handling
P
10
W
Program power
Pmax
20
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
7.1
Ω
Inductance (1kHz)
LE
0.63
mH
VC Diameter
20
mm
Former material
Slit Kapton
Magnet
Force factor
Bl
3.83
N/A
Motor constant
Bl/√RE
1.44
N/√W
Diaphragm
Effective diameter
60
mm
Effective area
SD
28
cm²
Moving mass
MMS
2.2
g
Moving mass (without air load)
MMD
2.1
g
Suspensions
Stiffness
KMS
1.27
N/mm
Compliance
CMS
790
µm/N
Equivalent volume to the compliance
VAS
0.94
L
Mechanical resistance
RMS
0.23
N·s/m
Dimensions
Nominal diameter
3.5
″
77
mm
Overall diameter
77
mm
Baffle cutout diameter
70
mm
Overall depth
52
mm
Volume occupied by the driver (estimated)
0.19
L
Frame material
Cast Aluminium
Similar speaker drivers to Dayton Audio PS95-8
4″Woofer
fS
120 Hz
SD
55 cm²
60 - 15000 Hz
QTS
0.66
xmax
5.0 mm
SPL1W
86 dB
Bl/√RE
2.13
Pmax
60 W
3″Full-range
fS
117 Hz
SD
29 cm²
150 - 20000 Hz
QTS
0.74
xmax
2.6 mm
SPL1W
85 dB
Bl/√RE
1.36
Pmax
70 W
3.5″Full-range
fS
113 Hz
SD
38 cm²
98 - 18500 Hz
QTS
0.65
xmax
2.3 mm
SPL1W
85 dB
Bl/√RE
1.9
Pmax
70 W