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LIVELLI DI PRESSIONE SONORA
MOD.
63
125
(dB)
(dB)
La
Lb
La
15
57,7
47,7
50,8
18
58,0
48,0
51,0
21
58,0
49,0
51,0
25
59,0
49,0
51,0
31
60,5
60,5
66,5
41
54,0
51,0
56,0
51
54,5
51,0
56,0
61
55,0
51,5
56,3
71
55,0
52,0
56,3
81
55,5
52,5
56,7
91
62,0
60,5
64,0
101
62,0
61,0
64,5
131
62,0
61,0
64,5
151
62,5
61,0
65,0
MOD.
63
125
(dB)
(dB)
Lc
Ld
Lc
15
57,8
49,3
50,3
18
58,0
49,5
50,5
21
58,5
49,5
51,0
25
58,5
50,0
51,0
31
60,7
51,7
52,2
41
56,0
52,0
55,5
51
56,5
52,0
55,5
61
56,0
53,0
56,0
71
56,0
53,0
56,0
81
56,5
53,5
56,5
91
62,0
60,0
64,0
101
62,0
60,0
64,5
131
62,5
60,0
64,5
151
63,0
60,0
65,0
L (a, b, c, d): valori di pressione sonora rilevati in condizioni di
campo libero con fonometro posizionato ad 1 m
dall'unità e 1,5 m da terra, nei punti in figura.
Secondo DIN 45635.
Ld
Mod. 15 - 18 - 21 - 25 - 31- 41- 51 - 61 - 71 - 81
0
BANDE D'OTTAVA\OCTAVE BANDS (Hz)
250
500
(dB)
(dB)
Lb
La
Lb
La
Lb
46,2
50,3
45,8
49,8
48,3
46,5
50,5
46,0
50,0
48,5
47,0
51,0
46,0
50,5
49,0
47,0
52,0
46,5
51,0
49,5
62,0
60,5
58,5
53,5
50,0
50,5
54,0
50,0
59,0
46,0
50,5
54,5
50,5
59,5
46,5
51,0
54,6
51,0
59,7
47,0
51,0
54,6
51,5
59,7
47,0
51,5
54,9
52,0
59,8
47,1
60,0
56,0
57,0
57,0
53,5
60,0
56,0
57,5
58,0
53,5
61,0
56,5
58,0
58,5
54,5
61,0
56,5
58,0
59,0
55,0
BANDE D'OTTAVA\OCTAVE BANDS (Hz)
250
500
(dB)
(dB)
Ld
Lc
Ld
Lc
Ld
49,7
51,8
48,7
54,3
50,2
50,0
52,0
49,0
54,5
50,5
50,0
52,0
50,0
55,0
50,5
50,5
53,0
50,0
55,0
51,0
52,7
54,3
50,7
56,3
52,2
51,0
55,5
51,0
56,0
52,5
51,5
56,0
51,0
56,0
53,0
52,0
56,0
51,5
56,5
53,5
51,5
56,0
51,5
56,5
54,0
52,0
56,5
52,0
57,1
54,1
63,0
56,0
55,0
57,5
56,0
63,0
56,0
55,5
58,0
56,0
63,5
56,5
56,0
58,5
56,5
64,0
56,5
56,0
59,0
57,0
La
Lb
Lc
1000
2000
(dB)
(dB)
La
Lb
La
Lb
La
47,8
43,8
46,3
40,8
42,8
48,0
44,0
46,5
41,0
43,0
48,5
44,5
46,5
41,5
43,0
49,5
45,5
47,0
42,5
43,0
50,5
44,0
49,0
44,5
47,5
51,5
47,5
47,0
44,0
46,0
52,0
47,0
47,5
44,0
47,0
52,1
47,5
47,5
44,5
47,0
52,2
48,0
47,5
44,5
47,0
52,2
48,5
47,5
44,7
47,3
56,0
52,5
51,5
50,0
48,0
56,0
52,5
52,0
50,0
48,0
56,5
53,0
52,0
51,0
48,0
56,5
53,5
52,5
51,0
48,5
1000
2000
(dB)
(dB)
Lc
Ld
Lc
Ld
Lc
49,8
47,7
45,8
43,7
42,8
50,0
48,0
46,0
44,0
43,0
50,0
48,0
46,5
44,0
43,0
50,5
48,5
47,0
45,0
43,0
51,7
49,0
48,5
45,5
44,0
51,0
49,5
49,5
45,5
45,0
53,5
49,7
49,5
45,5
45,5
53,5
50,0
50,0
46,0
46,0
54,0
50,0
50,0
46,0
46,5
54,1
50,1
50,2
46,2
46,7
56,0
51,5
51,5
47,5
48,0
56,0
51,5
52,0
48,0
48,0
56,5
52,0
52,0
48,0
48,0
56,5
52,0
52,0
48,0
48,5
L (a, b, c, d): sound pressure level measured in free field
conditions, at 1 m from the unit et 1,5 m from the
floor level, in the point on the picture.
According to DIN 45635
Ld
Mod. 91 - 101 - 131 - 151
AMHA-A 15÷151
SOUND PRESSURE LEVEL
TOTALE
TOTAL
4000
8000
dB(A)
(dB)
(dB)
La
Lb
La
Lb
53,7
41,3
45,8
44,8
41,5
46,0
45,0
53,9
42,0
46,0
45,5
54,2
42,0
46,0
45,5
54,7
43,5
46,5
45,5
58,4
43,5
47,0
46,0
58,7
59,2
44,0
47,5
47,0
59,3
44,0
47,0
47,0
59,3
44,0
47,0
47,0
59,4
44,3
47,3
47,3
46,0
48,5
48,0
60,3
46,0
49,0
48,0
60,7
46,0
49,0
48,0
61,0
46,5
49,0
48,0
61,3
TOTALE
TOTAL
4000
8000
dB(A)
(dB)
(dB)
Ld
Lc
Ld
Lc
41,7
45,5
45,0
55,5
55,7
42,0
45,5
45,0
55,9
42,5
45,5
45,5
56,2
42,5
46,0
45,5
43,5
46,5
46,5
57,5
46,0
47,0
47,0
57,6
47,0
47,0
47,0
58,3
46,5
47,0
47,5
58,6
46,0
47,0
47,0
58,8
46,3
47,3
47,3
59,1
47,0
48,0
48,0
60,4
47,5
49,0
48,0
60,7
47,5
49,0
48,0
61,1
61,2
48,0
49,0
48,0
La
Lb
Lc
Lb
50,8
51,0
51,5
52,0
54,8
52,6
52,9
53,2
53,4
53,7
57,9
57,9
58,6
58,9
Ld
52,9
53,2
53,4
53,8
54,6
55,2
55,6
55,9
55,9
56,1
57,9
58,0
58,4
58,6
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