8″ / 200 mm
Nominal diameter
74 Hz
Resonance
0.21
Q factor
95 dB
Sensitivity
± 6 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
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.2
dB
Frequency response
70 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
74.0
Hz
Mechanical quality factor
QMS
9.30
Electrical quality factor
QES
0.21
Total quality factor
QTS
0.21
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Air volume displaced at xmax
VD
132
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
0.56
mH
VC Diameter
51
mm
Winding height
HVC
17
mm
Magnet
Flux density
B
1.35
T
Force factor
Bl
17.7
N/A
Motor constant
Bl/√RE
7.76
N/√W
Air gap height
HAG
10
mm
Diaphragm
Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
27
g
Moving mass (without air load)
MMD
24.5
g
Suspensions
Stiffness
KMS
5.71
N/mm
Compliance
CMS
175
µm/N
Equivalent volume to the compliance
VAS
12
L
Mechanical resistance
RMS
1.35
N·s/m
Dimensions
Nominal diameter
8
″
200
mm
Overall diameter
225
mm
Baffle cutout diameter
187
mm
Overall depth
100
mm
Flange thickness
9
mm
Mounting depth
91
mm
Volume occupied by the driver
1.5
L
Net weight
5.3
kg
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8″Mid Bass
fS
75 Hz
SD
220 cm²
80 - 6000 Hz
QTS
0.19
xmax
5.0 mm
SPL1W
96 dB
Bl/√RE
7.6
Pmax
1000 W
8″Woofer
fS
71 Hz
SD
227 cm²
70 - 4500 Hz
QTS
0.21
xmax
4.4 mm
SPL1W
95 dB
Bl/√RE
7.67
Pmax
700 W
8″Mid Bass
fS
80 Hz
SD
220 cm²
80 - 4000 Hz
QTS
0.25
xmax
4.5 mm
SPL1W
95 dB
Bl/√RE
7.53
Pmax
700 W