Dayton Audio DMA105-4

Full-range

4″ / 102 mm
Nominal diameter
73 Hz
Resonance
0.51
Q factor
86 dB
Sensitivity
± 2.5 mm
Linear excursion
70 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

Available on (affiliate link)

Parts Express
$$

Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
86.1
dB
Frequency response
70 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
72.7
Hz
Mechanical quality factor
QMS
2.60
Electrical quality factor
QES
0.63
Total quality factor
QTS
0.51

Large signal parameters

Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
14
cm³
Power handling
P
35
W
Program power
Pmax
70
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.4
Ω
Inductance (1kHz)
LE
0.3
mH
VC Diameter
25
mm

Magnet

Force factor
Bl
3.4
N/A
Motor constant
Bl/√RE
1.84
N/√W

Diaphragm

Effective diameter
83
mm
Effective area
SD
54
cm²
Moving mass
MMS
4.5
g
Moving mass (without air load)
MMD
4.2
g

Suspensions

Stiffness
KMS
0.94
N/mm
Compliance
CMS
1060
µm/N
Equivalent volume to the compliance
VAS
4.25
L
Mechanical resistance
RMS
0.79
N·s/m

Dimensions

Nominal diameter
4
102
mm
Volume occupied by the driver (estimated)
0.14
L
Dayton Audio DMA105-4 Impedance
Dayton Audio DMA105-4 SPL
Dayton Audio DMA105-4 Dimensions

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

Similar speaker drivers to Dayton Audio DMA105-4

Ciare CS130 Subwoofer
5Subwoofer
fS
70 Hz
SD
75 cm²
50 - 1500 Hz
QTS
0.46
xmax
5.0 mm
SPL1W
87 dB
Bl/√RE
1.88
Pmax
90 W
Morel VIRTUS MW 4 Woofer
4Woofer
fS
80 Hz
SD
64 cm²
70 - 4500 Hz
QTS
0.55
xmax
2.0 mm
SPL1W
86 dB
Bl/√RE
1.92
Pmax
200 W