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A5DB250H2
A5DB300H2/H3
A5DB350H3
A5DB400H4
A5DB450H3
A5DB500H4
A5DB600H4
A5DB750H5
1m
2m discharge duct length
1m
UNIT
Free return duct
Microphone position:
1m away from every side panel of the unit and 1m above the fl oor level.
(Tested with 2m length duct at the air discharge outlet only)
Standard: JIS B 8615
Sound Power Level
Model
Speed
1/1 Octave Sound Power Level (dB) ref 1pW
Overall
(dBA)
125Hz
250Hz
500Hz
1kHz
2kHz
4kHz
8kHz
*A5DB80H
High
68
67
70
69
64
62
54
73
Med
69
64
68
68
61
59
60
70
Low
66
62
66
63
58
56
46
67
*A5DB100H
High
74
72
74
73
66
65
59
77
Med
73
70
73
71
64
62
55
75
Low
70
68
71
68
60
59
49
72
*A5DB125H
High
75
76
78
70
69
62
58
78
*A5DB150H
High
74
77
78
75
72
69
63
80
*A5DB200H2
High
83
84
83
81
77
73
68
85
A5DB250H2
High
85
86
85
83
79
75
70
87
A5DB300H2/H3
High
87
88
87
85
81
77
72
89
A5DB350H3
High
90
91
90
87
84
80
75
92
A5DB400H4
High
88
89
88
86
82
78
73
90
A5DB450H3
High
91
92
91
89
85
81
76
93
A5DB500H4
High
94
95
94
92
88
84
79
96
A5DB600H4
High
87
88
87
85
81
77
72
89
A5DB750H5
High
91
92
91
89
85
81
76
93
*Remarks: Test with 5ft length discharge duct, terminated flush with the internal wall of reverberation room.