Dayton Audio Designer DSA90-8
Full-range
3″ / 92 mm
Nominal diameter
67 Hz
Resonance
0.37
Q factor
83 dB
Sensitivity
± 2.5 mm
Linear excursion
40 W
Program Power
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Available on (affiliate links)
Parts Express
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
83.3
dB
Frequency response
66 - 15000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
66.6
Hz
Mechanical quality factor
QMS
2.15
Electrical quality factor
QES
0.45
Total quality factor
QTS
0.37
Large signal parameters
Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
7.8
cm³
Power handling
P
20
W
Program power
Pmax
40
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.6
Ω
Inductance (1kHz)
LE
0.53
mH
VC Diameter
20
mm
Winding material
Copper
Former material
Aluminum
Magnet
Force factor
Bl
4.61
N/A
Motor constant
Bl/√RE
1.79
N/√W
Weight
0.227
kg
Material
Ferrite
Diaphragm
Effective diameter
63
mm
Effective area
SD
31
cm²
Moving mass
MMS
3.5
g
Moving mass (without air load)
MMD
3.4
g
Material
Aluminum
Suspensions
Stiffness
KMS
0.61
N/mm
Compliance
CMS
1640
µm/N
Equivalent volume to the compliance
VAS
2.27
L
Mechanical resistance
RMS
0.68
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
3
″
92
mm
Overall diameter
92
mm
Baffle cutout diameter
70
mm
Overall depth
45
mm
Volume occupied by the driver (estimated)
0.1
L
Frame material
Steel
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SpeakerbenchSimilar speaker drivers to Dayton Audio DSA90-8
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4.5″Coaxial
fS
55 Hz
SD
47 cm²
60 - 25000 Hz
QTS
0.30
xmax
3.0 mm
SPL1W
83 dB
Bl/√RE
3.12
Pmax
250 W
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3″Full-range
fS
81 Hz
SD
31 cm²
80 - 13000 Hz
QTS
0.43
xmax
2.5 mm
SPL1W
83 dB
Bl/√RE
1.9
Pmax
40 W
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3.5″Woofer
fS
73 Hz
SD
32 cm²
200 - 2000 Hz
QTS
0.36
xmax
6.5 mm
SPL1W
83 dB
Bl/√RE
2.4
Pmax
60 W