Set your reduction amount to between 6dB and 12dB . Do not try to remove 100% of the noise. Remove 80% of it. A tiny bit of ambient noise sounds natural; a totally dead vacuum sounds fake. A Word of Caution (The "Lasagna" Principle) Here is the golden rule of noise reduction:
You don’t need to rebuild your studio. You don’t need to buy a $400 microphone. What you need is a . reduce noise plugin
Most plugins have a "Delta" or "Listen" button. Press this. You will hear only the noise being removed. If you hear bits of voice or reverb tails in there, your settings are too aggressive. Set your reduction amount to between 6dB and 12dB
