3M BK4936 Microphone User Manual


 
Page i
053-469 RevC
SoundPro models SE and DL Addendum
Table of Contents
About this manual ______________________________________________________________________ 1
Introduction of Specifications _____________________________________________________________ 1
Filter Information ___________________________________________________________________________ 1
Magnetic fields ______________________________________________________________________________ 1
Midband frequency __________________________________________________________________________ 2
Table A.1- Octave-band filters _______________________________________________________________________ 2
Table A.2- Midband frequencies for the 1/3 octave-band filters _____________________________________________ 2
Microphone Classes defined ______________________________________________________________ 3
Table A.3- Tolerance class for Microphone accessory combination __________________________________________ 3
Self Generated Noise ____________________________________________________________________ 4
Broadband _________________________________________________________________________________ 4
Table A.4 - Fast Response __________________________________________________________________________ 4
Table A.5- Slow Response __________________________________________________________________________ 4
Octave Band ________________________________________________________________________________ 5
A-Weighting _______________________________________________________________________________________ 5
Table A.6- Fast Response, and SPL ___________________________________________________________________ 5
Table A.7- Fast Response, and LEQ ___________________________________________________________________ 5
Table A.8 - Slow Response, and SPL __________________________________________________________________ 5
Table A.9- Slow Response and LEQ __________________________________________________________________ 6
C-Weighting _______________________________________________________________________________________ 6
Table A.10 - Fast Response and SPL __________________________________________________________________ 6
Table A.11- Fast Response and LEQ __________________________________________________________________ 6
Table A.12- Slow Response and SPL __________________________________________________________________ 7
Table A.13- Slow Response and LEQ _________________________________________________________________ 7
Z-Weighting _______________________________________________________________________________________ 8
Table A.18- Fast Response and SPL ___________________________________________________________________ 8
Table A.19- Fast Response and LEQ __________________________________________________________________ 8
Table A.20- Slow Response and SPL __________________________________________________________________ 9
Table A.21- Slow Response and LEQ _________________________________________________________________ 9
1/3 Octave Band ____________________________________________________________________________ 10
A-Weighting ______________________________________________________________________________________ 10
Table A.22- Fast Response and SPL __________________________________________________________________ 10
Table A.23- Fast Response and LEQ _________________________________________________________________ 11
Table A.24- Slow Response and SPL _________________________________________________________________ 12
Table A.24- Slow Response and SPL _________________________________________________________________ 12
Table A.25- Fast Response and LEQ _________________________________________________________________ 13
Table A.26- Slow Response and SPL _________________________________________________________________ 14
Table A.27 - Slow Response and LEQ ________________________________________________________________ 15
C-Weighting ______________________________________________________________________________________ 16
Table A.28- Fast Response and SPL __________________________________________________________________ 16
Table A.29- Fast Response and LEQ _________________________________________________________________ 17
Table A.30- Slow Response and SPL _________________________________________________________________ 18
Table A.31- Slow Response and LEQ ________________________________________________________________ 19
Z-Weighting ______________________________________________________________________________________ 20
Table A.32- Z Weighting, Fast Response, SPL _________________________________________________________ 20