This shouldn't be a problem?

[andydeedpoll]

I want to do some recordings of my piano, which is on the other side of the house on a different floor to my fairly stationary setup (Desktop PC, speakers, amplifier for speakers, mixer, yada yada...) I do have some nice long XLR leads though, and a friend coming over tomorrow... There wouldn't be any issues running some XLR leads, what, 20m, would there?

I can't forsee any issues, but I thought I'd check!

Ta!

Andrew.

 

[tmix]

There should not be any issues if they are reasonable quality balanced Mic cables.
Heck I've used Mic snakes of 100 ft so the 20m is less than that.