3M BK4936, Version A: QE7052 manual 31.5 142 1000 4000 8000 12500

Page 32

Linear Operating Range

1/3 Octave Band

Table A.41 (Continued)

Range 50 dB to 140 dB

			LEQ C
	SPL C Weighting		Weighting
Frequency	Linear Operating		Linear Operating
	Range (dB)		Range (dB)
31.5	56	142	56	142
1000	53	142	53	142
4000	54	142	54	142
8000	56	142	56	142
12500	59	142	59	142

Range 50 dB to 140 dB

	Frequency		LEQ C Weighting
			Linear Operating Range (dB)
31.5		56		142
1000		53		142
4000		54		142
8000		56		142

Range 60 dB to 150 dB

		SPL C
		Weighting
		Linear			LEQ C Weighting
Frequency		Operating			Linear Operating
		Range (dB)			Range (dB)
31.5	68		153	67		153
1000	63		153	63		153
4000	64		153	64		153
8000	66		153	66		153
12500	69		153	69		153
		Range 70 dB to 160 dB
		SPL C
		Weighting
		Linear			LEQ C Weighting
Frequency		Operating			Linear Operating
		Range (dB)			Range (dB)
31.5	77		163	77		163
1000	73		163	73		163
4000	73		163	73		163
8000	76		163	76		163
12500	79		163	79		163
		Range 80 dB to 170 dB
		SPL C
		Weighting
		Linear			LEQ C Weighting
Frequency		Operating			Linear Operating
		Range (dB)			Range (dB)
31.5	86		170	86		170
1000	86		173	85		173
4000	84		173	84		173
8000	87		173	87		173

Range 60 dB to 150 dB

Frequency	LEQ C Weighting
	Linear Operating Range (dB)

31.5		67			153
1000		63			153
4000		64			153
8000		66			153
		Range 70 dB to 160 dB
	Frequency			LEQ C Weighting
				Linear Operating Range (dB)
31.5			78		163
1000			73		163
4000			73		163
8000			76		163
		Range 80 dB to 170 dB
	Frequency			LEQ C Weighting
				Linear Operating Range (dB)
31.5			87		170
1000			86		173
4000			85		173
8000			88		173

053-469 RevC

SoundPro models SE and DL Addendum