It really depends on your loudspeakers. In some cases, if you want to adjust the slope of the target curve, you could change the directivity at low or high frequencies set in the form. For reference, here are the values used for calculation : High frequencies, Omni/Dipole/Standard/Horn = 2/5/8/12 Low …
In page “Upload recording“, you can upload a .wav, .flac or .aiff file for the recording and a .txt file for the mic calibration file. Max file size is 60MB. In page “My files”, you can upload jpg and png picture files to your folders to show your room or …
Start to play our sound file at low volume, adjust so that voice is at a realistic level. Following those advices, there is no risk for your loudspeakers.