6″ / 165 mm
Nominal diameter
114 Hz
Resonance
0.49
Q factor
95 dB
Sensitivity
± 0.4 mm
Linear excursion
40 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
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.4
dB
Frequency response
100 - 5300
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
114
Hz
Mechanical quality factor
QMS
5.50
Electrical quality factor
QES
0.54
Total quality factor
QTS
0.49
Large signal parameters
Maximum linear excursion
xmax
0.4
mm
Air volume displaced at xmax
VD
5.6
cm³
Power handling
P
20
W
Program power
Pmax
40
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.9
Ω
Inductance (1kHz)
LE
0.25
mH
VC Diameter
25
mm
Magnet
Force factor
Bl
5.62
N/A
Motor constant
Bl/√RE
2.83
N/√W
Air gap height
HAG
6.4
mm
Weight
0.425
kg
Diaphragm
Effective diameter
133
mm
Effective area
SD
140
cm²
Moving mass
MMS
6
g
Moving mass (without air load)
MMD
4.8
g
Suspensions
Stiffness
KMS
3.13
N/mm
Compliance
CMS
320
µm/N
Equivalent volume to the compliance
VAS
8.67
L
Mechanical resistance
RMS
0.78
N·s/m
Surround material
Full molded paper
Dimensions
Nominal diameter
6
″
165
mm
Overall diameter
167
mm
Baffle cutout diameter
144
mm
Overall depth
71
mm
Volume occupied by the driver
0.3
L
Net weight
1.32
kg
Frame material
Pressed steel
Similar speaker drivers to Eminence 620H
8″Mid-range
fS
120 Hz
SD
230 cm²
100 - 9000 Hz
QTS
0.55
xmax
1.5 mm
SPL1W
95 dB
Bl/√RE
4.6
Pmax
500 W
8″Mid-range
fS
103 Hz
SD
218 cm²
100 - 8000 Hz
QTS
0.52
xmax
2.7 mm
SPL1W
95 dB
Bl/√RE
4.92
Pmax
500 W
8″Woofer
fS
100 Hz
SD
233 cm²
100 - 6000 Hz
QTS
0.53
xmax
4.8 mm
SPL1W
94 dB
Bl/√RE
4.7
Pmax
400 W