Mitsubishi Electronics PMFY-P06NBMU-E1 Noise Criterion Curves PMFY-P06NBMU-E, PMFY-P15NBMU-E

4-4. NOISE CRITERION CURVES

PMFY-P06NBMU-E					NOTCH		SPL(dB)	LINE
PMFY-P06NBMU-E1					High		35
					Medium1		33
					Medium2		30
					Low		27
∝bar)	90
dB = 0.0002	80
	70							NC-70
dB (0
LEVEL,	60
								NC-60
PRESSURE	50
								NC-50
	40
								NC-40
SOUND
	30
								NC-30
BAND
	20
OCTAVE
								NC-20
	APPROXIMATE THRESHOLD OF HEARING
	FOR CONTINUOUS NOISE
	10	125	250	500	1000	2000	4000	8000
	63

BAND CENTER FREQUENCIES, Hz

PMFY-P15NBMU-E						NOTCH		SPL(dB)	LINE
PMFY-P15NBMU-E1						High		39
						Medium1		37
						Medium2		35
						Low		33
∝bar)	90
dB = 0.0002	80
	70								NC-70
dB (0
LEVEL,	60
									NC-60
PRESSURE	50
									NC-50
	40
									NC-40
SOUND
	30
BAND									NC-30
	20	APPROXIMATE
OCTAVE
		THRESHOLD OF
		HEARING FOR							NC-20
		CONTINUOUS
	10	NOISE
		63	125	250	500	1000	2000	4000	8000

BAND CENTER FREQUENCIES, Hz

PMFY-P08NBMU-E						NOTCH		SPL(dB)	LINE
PMFY-P12NBMU-E						High		37
						Medium1		36
PMFY-P08NBMU-E1
						Medium2		34
PMFY-P12NBMU-E1						Low		32
∝bar)	90
dB = 0.0002	80
	70								NC-70
dB (0
LEVEL,	60
									NC-60
PRESSURE	50
									NC-50
	40
									NC-40
SOUND
	30
									NC-30
BAND
	20	APPROXIMATE
OCTAVE
		THRESHOLD OF
		HEARING FOR							NC-20
		CONTINUOUS
	10	NOISE
		63	125	250	500	1000	2000	4000	8000

BAND CENTER FREQUENCIES, Hz

UNIT

CEILING

5ft

MICROPHONE

8