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12 – VR21 and VR51
VR21 and VR51 – 13
PERFORMANCE GRAPHS
VR51 Impedance vs Frequency
VR51 Beamwidth vs Frequency
VR51 Axial Response vs Frequency
VR21 Impedance vs Frequency
VR21 Beamwidth vs Frequency
VR21 Axial Response vs Frequency
100
10
1
10 100 1000 10k 20
k
Fre
q
uenc
y
(
Hz
)
Ohms
360
100
10
1
100 1000 10k 20
k
Degrees
Frequency (Hz)
Horizontal
Vertical
120
110
100
90
80
70
60
10 100 1000 10k 20
k
SPL dB
Fre
q
uenc
y
(
Hz
)
100
10
1
10 100 1000 10k 20
k
Fre
q
uenc
y
(
Hz
)
Ohms
360
100
10
1
100 1000 10k 20
k
Degrees
Fre
q
uenc
y
(
Hz
)
Horizontal
Vertical
120
11
100
90
80
70
60
10 100 1000 10k 20
k
SPL dB
Fre
q
uenc
y
(
Hz
)