Mitsubishi PLA-A12BA, Технический справочник

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87
PLA-A36BA PLA-A42BA
NOTCH SPL(dB) LINE
High 40
Medium1 37
Medium2 34
Low 32
NOTCH SPL(dB) LINE
High 41
Medium1 39
Medium2 36
Low 34
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
OCT
A
VE B
AND SOUND PRESSURE LEVEL,
dB (0 dB = 0.0002 bar)
OCT
A
VE B
AND SOUND PRESSURE LEVEL,
dB (0 dB = 0.0002 bar)
UNIT
5ft
MICROPHONE
CEILING
DOCS14̲15revA.indd 87 DOCS14̲15revA.indd 87 10.8.25 4:09:50 PM 10.8.25 4:09:50 PM