3M Version A: QE7052, BK4936 manual Table A.44- Octave Band, Range -10 dB to 70 dB

Page 41

Linear Operating Range

1/3 Octave Band

Table A.44- Octave Band

Testing was performed using an 18pf input adaptor under the following conditions: Reference level 114 dB @ 1 kHz, Reference Range 50 dB to 140 dB, Cal level 394.9 mV for testing level ranges – 20 dB to 70 dB through 50 dB to 140 dB. This represents a nominal sensitivity QE4936 microphone, 34.45 mV for testing level ranges 60 dB to 150 dB and 70 dB 160 dB this represents a nominal sensitivity QE4110 microphone, 10.29 mV for testing level range 80 dB to 170 dB this represents a nominal sensitivity.

Range -10 dB to 70 dB

						LEQ Z
					Weighting
			SPL Z Weighting			Linear
Frequency			Linear Operating		Operating
			Range (dB)		Range (dB)
16 Hz			45	75	41		75
31.5 Hz			41	75	40		75
63 Hz			39	75	35		75
125 Hz			31	75	31		75
250 Hz			28	75	28		75
	Range -10 dB to 70 dB
						LEQ Z
			SPL Z Weighting		Weighting
Frequency			Linear Operating		Linear Operating
			Range (dB)		Range (dB)
500 Hz			27	75	25			75
1 kHz			24	75	22			75
2 kHz			22	74	21			74
4 kHz			24	74	22			74
8 kHz			25	75	25			75
16 kHz			28	75	28			75
	R	ange 20 dB to 100 dB
			SPL Z
			Weighting
			Linear		LEQ Z Weighting
Frequency			Operating		Linear Operating
			Range (dB)		Range (dB)
16 Hz			53	105	43			105
31.5 Hz			40	105	39			105
63 Hz			37	105	34			105
125 Hz			31	105	31			105
250 Hz			28	105	26			105
500 Hz			27	105	25			105
1 kHz			22	105	22			105
2 kHz			21	104	21			104
4 kHz			22	104	22			104
8 kHz			25	105	25			105
16 kHz			27	105	27			105

Range 0 dB to 80 dB

			SPL Z
		Weighting				LEQ Z Weighting
Frequency		Linear Operating				Linear Operating
		Range (dB)				Range (dB)
16 Hz	49			85		39	85
31.5 Hz	40			85		37	85
63 Hz	35			85		34	85
125 Hz	33			85		31	85
250 Hz	28			85		28	85
		Range 0 dB to 80 dB
		SPL Z Weighting				LEQ Z Weighting
Frequency		Linear Operating				Linear Operating
		Range (dB)				Range (dB)
500 Hz	25				85	25		85
1 kHz	22				85	22		85
2 kHz	21				84	21		84
4 kHz	22				84	22		84
8 kHz	25				85	25		85
16 kHz	27				85	27		85
		Range 30 dB to 110 dB
		SPL Z Weighting				LEQ Z Weighting
Frequency		Linear Operating				Linear Operating
		Range (dB)				Range (dB)
16 Hz	34				115	34		115
31.5 Hz	33				115	33		115
63 Hz	33				115	33		115
125 Hz	33				115	33		115
250 Hz	33				115	33		115
500 Hz	33				115	33		115
1 kHz	33				115	33		115
2 kHz	33				114	33		114
4 kHz	33				114	33		114
8 kHz	33				115	33		115
16 kHz	33				115	33		115

053-469 RevC

SoundPro models SE and DL Data Addendum