Mitsubishi Electric MUX-A20WV Service Manual download pdf (Page 12)

NOISE CRITERIA CURVES5

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

OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR

BAND CENTER FREQUENCIES, Hz

Test conditions.

Cooling : DB27: WB19:

MUX-2A28VB- E1

COOL

FUNCTION

SPL(dB(A)) LINE

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

OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR

BAND CENTER FREQUENCIES, Hz

Test conditions.

Cooling :DB35: WB24:

COOL

FUNCTION

SPL(dB

(A)) LINE

MUX-2A59VB - E1

MUX-3A60VB - E1

MUX-3A63VB - E1

MUX-2A70VB - E1

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

OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR

BAND CENTER FREQUENCIES, Hz

Test conditions.

Cooling :DB35: WB24:

COOL

FUNCTION

SPL(dB

(A)) LINE

MUX-4A73VB - E1

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Mitsubishi Electric MUX-A20WV Service Manual Page 12

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