Search Results for ‘75db’

How do we set the initial recommended 75dB level of the AVR when using the REW?I understand that we should have the SPL meter RS or CM-140 to measure the 75dB but is this on a certain frequency initially say at 4khz just like the Rives Audio manual test CD recommended?or the REW gives a initial...

Hi I still haven´t used the REW, but planning on using it fairly soon. The help files point out that a SPL calibration of 75dB must be made at the MIC position using white noise. Once the calibration has been made, can the level of the sweep signal be increased? I´m going to measure RT60 (ISO...