There a masjid in London with a not famous nice reciter, I think originally from the maghrib or somewhere, I am not sure if that imam does any classes or what his aqeedah is. Is it sinful if I ask someone / some people I know to record and send me recordings?

Ustadh AbdulAziz al-Haqqan

You are going to distract him the in the salah akhi, the point is to have khushu' in the salah not to enjoy a voice.