Dayton Audio DMA90-4

Full-range

3.5″ / 89 mm
Nominal diameter
88 Hz
Resonance
0.45
Q factor
86 dB
Sensitivity
± 2.5 mm
Linear excursion
60 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
86.0
dB
Frequency response
85 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
88.2
Hz
Mechanical quality factor
QMS
2.50
Electrical quality factor
QES
0.56
Total quality factor
QTS
0.45

Large signal parameters

Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
9.6
cm³
Power handling
P
30
W
Program power
Pmax
60
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.8
Ω
Inductance (1kHz)
LE
0.3
mH
VC Diameter
25
mm

Magnet

Force factor
Bl
3.5
N/A
Motor constant
Bl/√RE
1.8
N/√W

Diaphragm

Effective diameter
70
mm
Effective area
SD
39
cm²
Moving mass
MMS
3.2
g
Moving mass (without air load)
MMD
3
g

Suspensions

Stiffness
KMS
0.97
N/mm
Compliance
CMS
1030
µm/N
Equivalent volume to the compliance
VAS
2.27
L
Mechanical resistance
RMS
0.71
N·s/m

Dimensions

Nominal diameter
3.5
89
mm
Volume occupied by the driver (estimated)
0.1
L
Dayton Audio DMA90-4 Impedance
Dayton Audio DMA90-4 SPL
Dayton Audio DMA90-4 Dimensions

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Similar speaker drivers to Dayton Audio DMA90-4

SICA 3,5 H 1 CS Mid-range
3.5Mid-range
fS
85 Hz
SD
39 cm²
85 - 10000 Hz
QTS
0.53
xmax
2.5 mm
SPL1W
85 dB
Bl/√RE
1.96
Pmax
90 W