Table 1, 2 frequency response curve – BeStar BDT3008H12.8LF User Manual
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Checked by:
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1
table 1
1.2 Frequency response curve
720
Frequency
/Hz
900
1000
1900
2000
1600
750
Test conditions
The test assembly is in free field or a test room with min 2m
×2m ground and 2m high
Distance between loudspeaker and SPL meter=10cm
BDT3008H12.8LF:
Trigger voltage is 2.8V0-p, 50% duty square wave signal
The trigger signal comes from a function generator FG100. The trigger voltage is
adjusted to 2.8V0-p constant voltage.(in case of load)
T
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ith
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tent
B
60
100
C
70
80
90
100
dB SPL
D
110
E
F
G
1K
Hz
B
C
D
94
94
104
104
98
88
97
88
90
88
98
100
107
98
Min SPL
/dBA
Max SPL
/dBA
E
F
G
6
H
4
5
3
2
1
H
DRG NO: BS/TES01.1007A
陶红仲
王文邦
莫丽丽
09/05/12
莫丽丽
09/05/12
A
BDT3008H12.8LF
BDT3008H12.8LF