3M Version A: QE7052, BK4936 manual 4000 104

Page 33

Linear Operating Range

1/3 Octave Band

Table A.41 (Continued)

IEC 651

Range -20 dB to 70 dB

				SPL C Weighting
	Frequency		Linear Operating Range (dB)
31.5		27			75
1000		24			75
4000		25			74
8000		27			75

IEC 804

Range -20 dB to 70 dB

		SPL C			LEQ C
	Weighting			Weighting
		Linear			Linear
	Operating			Operating
Frequency	Range (dB)			Range (dB)
4000	26		74	26		74

Range -10 dB to 80 dB

				SPL C Weighting
	Frequency		Linear Operating Range (dB)
31.5		26			85
1000		23			85
4000		25			84
8000		26			85
			Range 0 dB to 90 dB
				SPL C Weighting
	Frequency		Linear Operating Range (dB)
31.5		26			95
1000		23			95
4000		25			94
8000		26			95
		Range 10 dB to 100 dB
				SPL C Weighting
	Frequency		Linear Operating Range (dB)
31.5		29			105
1000		25			105
4000		25			104
8000		28			105

	Range -10 dB to 80 dB
		SPL C			LEQ C
	Weighting			Weighting
		Linear			Linear
	Operating			Operating
Frequency	Range (dB)			Range (dB)
4000	25		84	25		84

Range 0 dB to 90 dB

		SPL C			LEQ C
	Weighting			Weighting
		Linear			Linear
	Operating			Operating
Frequency	Range (dB)			Range (dB)
4000	25		94	25		94

Range 10 dB to 100 dB

		SPL C			LEQ C
	Weighting			Weighting
		Linear			Linear
	Operating			Operating
Frequency	Range (dB)			Range (dB)
4000	25		104	25		104

053-469 RevC

SoundPro models SE and DL Addendum