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
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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
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6″Low frequency
fS
105 Hz
SD
154 cm²
85 - 6000 Hz
QTS
0.61
xmax
1.8 mm
SPL1W
92 dB
Bl/√RE
3.33
Pmax
200 W
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