频率(Hz)
|
隔声量(dB)
|
||||
中空玻璃3+6A+3mm
|
真空玻璃4+0.8+4mm
|
夹胶玻璃4+0.76+4mm
|
朗斯玻璃4+0.76+4mm
|
||
低频
|
100
|
26
|
23.5
|
24
|
30.4
|
125
|
21
|
23.6
|
26
|
34
|
|
160
|
23
|
27.5
|
28
|
31.6
|
|
200
|
23
|
26.2
|
28
|
33.3
|
|
250
|
26
|
27.6
|
29
|
39.3
|
|
315
|
21
|
28.3
|
30
|
413
|
|
400
|
19
|
28.9
|
32
|
35.8
|
|
500
|
24
|
29.2
|
34
|
40.9
|
|
中频
|
630
|
27
|
30.4
|
35
|
41.7
|
800
|
30
|
32.4
|
35
|
44.5
|
|
1000
|
33
|
33.6
|
36
|
45.5
|
|
1250
|
36
|
34.5
|
36
|
44.2
|
|
1600
|
40
|
35.8
|
36
|
45.8
|
|
2000
|
44
|
35.6
|
35
|
43.7
|
|
高频
|
2500
|
46
|
33.1
|
35
|
41.6
|
3150
|
39
|
28.8
|
38
|
37.9
|
|
4000
|
34
|
31
|
43
|
41.4
|
|
5000
|
45
|
/
|
44
|
46.3
|
|
综合隔声量
|
28
|
33
|
34
|
42
|
(各种玻璃的隔声量对比数据)
(各种玻璃的隔声量曲线图)