Hertz SPL Show SV 250.1
Mid-range
10″ / 250 mm
Nominal diameter
90 Hz
Resonance
0.4
Q factor
97 dB
Sensitivity
± 3 mm
Linear excursion
500 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.4
dB
Frequency response
90 - 7000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
90.0
Hz
Mechanical quality factor
QMS
12.10
Electrical quality factor
QES
0.42
Total quality factor
QTS
0.40
Large signal parameters
Maximum linear excursion
xmax
3.0
mm
Air volume displaced at xmax
VD
103
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
0.23
mH
VC Diameter
50
mm
Magnet
Force factor
Bl
10.7
N/A
Motor constant
Bl/√RE
5.89
N/√W
Diameter
155
mm
Height
20
mm
Material
Ferrite
Diaphragm
Effective diameter
209
mm
Effective area
SD
343
cm²
Moving mass
MMS
26.5
g
Moving mass (without air load)
MMD
21.9
g
Material
Ultra light pressed paper
Suspensions
Stiffness
KMS
8.33
N/mm
Compliance
CMS
120
µm/N
Equivalent volume to the compliance
VAS
20
L
Mechanical resistance
RMS
1.24
N·s/m
Dimensions
Nominal diameter
10
″
250
mm
Overall diameter
257
mm
Baffle cutout diameter
232
mm
Overall depth
108
mm
Flange thickness
7
mm
Mounting depth
101
mm
Volume occupied by the driver (estimated)
1.5
L
Net weight
4.0
kg
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fS
74 Hz
SD
380 cm²
70 - 4000 Hz
QTS
0.38
xmax
5.1 mm
SPL1W
98 dB
Bl/√RE
6.12
Pmax
500 W
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fS
78 Hz
SD
343 cm²
80 - 4000 Hz
QTS
0.35
xmax
5.1 mm
SPL1W
96 dB
Bl/√RE
6.47
Pmax
600 W