-
53
-
(d)
Ceiling mounted duct type (FDUR)
Measured based on JIS B 8616
Mike position as right
Model FDKNA151
Noise level
44 dB (A) at HIGH
42 dB (A) at MEDIUM
40 dB (A) at LOW
(c)
Wall mounted type (FDKN)
Measured based on JIS B 8616
Mike position as right
Unit
1 m
1 m
Mike
(Center & Low points)
Model FDKNA201
Noise level
47 dB (A) at HIGH
44 dB (A) at MEDIUM
41 dB (A) at LOW
Model FDKNA251
Noise level
48 dB (A) at HIGH
45 dB (A) at MEDIUM
42 dB (A) at LOW
1.5 m
Unit
Mike (center & low points)
Model FDURA201
Noise level
40 dB (A) at HIGH
36 dB (A) at LOW
Model FDKN251
Noise level
41 dB (A) at HIGH
37 dB (A) at LOW
Model FDKN301
Noise level
41 dB (A) at HIGH
37 dB (A) at LOW
Souud Pressure Level
(standard 0.0002
µ
bar)
Mid Octave Band Frequency (Hz)
N30
N40
N20
N50
N60
N70
63
125
250
500
1000
2000
4000
8000
20
30
40
50
60
70
20
30
40
50
60
70
Souud Pressure Level
(standard 0.0002
µ
bar)
Mid Octave Band Frequency (Hz)
N30
N40
N20
N50
N60
N70
63
125
250
500
1000
2000
4000
8000
20
30
40
50
60
70
20
30
40
50
60
70
Souud Pressure Level
(standard 0.0002
µ
bar)
Mid Octave Band Frequency (Hz)
N30
N40
N20
N50
N60
N70
63
125
250
500
1000
2000
4000
8000
20
30
40
50
60
70
20
30
40
50
60
70
Model FDKNA301
Noise level
49 dB (A) at HIGH
46 dB (A) at MEDIUM
43 dB (A) at LOW
Souud Pressure Level
(standard 0.0002
µ
bar)
Mid Octave Band Frequency (Hz)
N30
N40
N20
N50
N60
N70
63
125
250
500
1000
2000
4000
8000
20
30
40
50
60
70
20
30
40
50
60
70
Souud Pressure Level
(standard 0.0002
µ
bar)
Mid Octave Band Frequency (Hz)
N30
N40
N20
N50
N60
N70
63
125
250
500
1000
2000
4000
8000
20
30
40
50
60
70
20
30
40
50
60
70
Souud Pressure Level
(standard 0.0002
µ
bar)
Mid Octave Band Frequency (Hz)
N30
N40
N20
N50
N60
N70
63
125
250
500
1000
2000
4000
8000
20
30
40
50
60
70
20
30
40
50
60
70
Souud Pressure Level
(standard 0.0002
µ
bar)
Mid Octave Band Frequency (Hz)
N30
N40
N20
N50
N60
N70
63
125
250
500
1000
2000
4000
8000
20
30
40
50
60
70
20
30
40
50
60
70