[quote name='Evil Undead' post='1200363' date='Apr 15 2011, 11:12 AM']I apologise if I sound a bit dumb, but what does earthing/grounding entail?
I'm wondering if it's possible for me to DI straight to the PA, without using an amp at all (I live on the top floor, without a lift, and have back problems!)[/quote]
All you need to know for gigging is that it takes annoying hiss away. You can always google if you need more info.