I got the Manley Vari Mu after watching a mix template setup video with engineer Sara Carter. She uses the Vari Mu on acoustic guitars and as she says it "keep their acoustic quality". So I put four instances of the compressor on the two guitar tracks (each with two mics) of a song I am now mixing and they did just that! Nice gentle squeeze to keep things in place and the tone is lovely! Looking forward to trying the Vari Mu on other sources but for now, I am completely happy with this compressor!