Hertz SV 200.1
Mid-range
8″ / 200 mm
Nominal diameter
120 Hz
Resonance
0.55
Q factor
95 dB
Sensitivity
± 1.5 mm
Linear excursion
500 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.4
dB
Frequency response
100 - 9000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
120
Hz
Mechanical quality factor
QMS
10.30
Electrical quality factor
QES
0.58
Total quality factor
QTS
0.55
Large signal parameters
Maximum linear excursion
xmax
1.5
mm
Air volume displaced at xmax
VD
35
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.3
Ω
Inductance (1kHz)
LE
0.22
mH
VC Diameter
38
mm
Magnet
Force factor
Bl
8.3
N/A
Motor constant
Bl/√RE
4.6
N/√W
Material
High density flux ferrite
Diaphragm
Effective diameter
168
mm
Effective area
SD
230
cm²
Moving mass
MMS
16.5
g
Moving mass (without air load)
MMD
14.1
g
Material
Ultra light pressed paper
Suspensions
Stiffness
KMS
10.0
N/mm
Compliance
CMS
100
µm/N
Equivalent volume to the compliance
VAS
7.5
L
Mechanical resistance
RMS
1.21
N·s/m
Dimensions
Nominal diameter
8
″
200
mm
Volume occupied by the driver (estimated)
0.82
L
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fS
103 Hz
SD
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95 - 6000 Hz
QTS
0.54
xmax
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SPL1W
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Bl/√RE
2.98
Pmax
200 W
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6″Mid Bass
fS
126 Hz
SD
130 cm²
100 - 5500 Hz
QTS
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SPL1W
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Bl/√RE
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Pmax
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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