Dayton Audio MB620-8

Mid Bass

6.5″ / 167 mm
Nominal diameter
104 Hz
Resonance
0.59
Q factor
92 dB
Sensitivity
± 2 mm
Linear excursion
400 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
92.1
dB
Frequency response
100 - 7000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
104
Hz
Mechanical quality factor
QMS
4.29
Electrical quality factor
QES
0.69
Total quality factor
QTS
0.59

Large signal parameters

Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
27
cm³
Power handling
P
200
W
Program power
Pmax
400
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
0.93
mH
VC Diameter
51
mm
Winding material
CCA

Magnet

Force factor
Bl
6.68
N/A
Motor constant
Bl/√RE
2.86
N/√W
Weight
0.936
kg
Material
Ferrite

Diaphragm

Effective diameter
130
mm
Effective area
SD
133
cm²
Moving mass
MMS
8.6
g
Moving mass (without air load)
MMD
7.4
g
Material
Paper

Suspensions

Stiffness
KMS
3.65
N/mm
Compliance
CMS
274
µm/N
Equivalent volume to the compliance
VAS
6.77
L
Mechanical resistance
RMS
1.31
N·s/m
Surround material
Cloth

Dimensions

Nominal diameter
6.5
167
mm
Overall diameter
167
mm
Baffle cutout diameter
147
mm
Overall depth
80
mm
Volume occupied by the driver (estimated)
0.48
L
Frame material
Steel
Dayton Audio MB620-8 Impedance
Dayton Audio MB620-8 SPL

Export this driver to a simulation software:

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