Hertz SPL Show SV 200L
Woofer
8″ / 200 mm
Nominal diameter
44 Hz
Resonance
0.33
Q factor
90 dB
Sensitivity
± 4.5 mm
Linear excursion
500 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.9
dB
Frequency response
45 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
44.0
Hz
Mechanical quality factor
QMS
3.32
Electrical quality factor
QES
0.36
Total quality factor
QTS
0.33
Large signal parameters
Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
99
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.0
Ω
Inductance (1kHz)
LE
0.75
mH
VC Diameter
50
mm
Magnet
Force factor
Bl
8.6
N/A
Motor constant
Bl/√RE
4.97
N/√W
Diameter
120
mm
Height
20
mm
Material
Ferrite
Diaphragm
Effective diameter
168
mm
Effective area
SD
221
cm²
Moving mass
MMS
31.5
g
Moving mass (without air load)
MMD
29.1
g
Material
Ultra light, non pressed paper
Suspensions
Stiffness
KMS
2.38
N/mm
Compliance
CMS
420
µm/N
Equivalent volume to the compliance
VAS
29
L
Mechanical resistance
RMS
2.62
N·s/m
Dimensions
Nominal diameter
8
″
200
mm
Overall diameter
209
mm
Baffle cutout diameter
178
mm
Overall depth
91
mm
Flange thickness
9
mm
Mounting depth
82
mm
Volume occupied by the driver (estimated)
0.83
L
Net weight
2.32
kg
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SpeakerbenchSimilar woofers to Hertz SV 200L
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6.5″Mid-range
fS
44 Hz
SD
137 cm²
44 - 4500 Hz
QTS
0.32
xmax
3.0 mm
SPL1W
89 dB
Bl/√RE
3.11
Pmax
150 W
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8″Woofer
fS
42 Hz
SD
228 cm²
50 - 6300 Hz
QTS
0.34
xmax
7.3 mm
SPL1W
89 dB
Bl/√RE
5.65
Pmax
600 W