Mitsubishi Electric MUX-19TV - E1, Service Manual

Page: 6 / 40

6
NOISE CRITERIA CURVES 5
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
TERESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
Test conditions.
Cooling :DB35 : WB24 :
High
SPEED
52
SPL(dB
(A)
) LINE
MUX-19TV -
E1
MUX-20TV -
E1
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
TERESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
Test conditions.
Cooling :DB35 : WB24 :
High
SPEED
54
SPL(dB
(A)
) LINE
MUX-25TV -
E1
OB284-1.qxp 01.4.26 8:59 PM Page 6