I currently have a m-audio delta 44 card

in the inputs to this card i have

input 1 - Line 6 pod xt pre - amp

input 2 - Line 6 pod xt pre - amp

input 3 - M-Audio Buddy Mic Pre- amp

input 4 - M-Audio Buddy Mic Pre- amp

Ouput 1 - To the Mixer

Ouput 2 - To the Mixer

Ouput 3 - To the Mixer

Ouput 4 - To the Mixer

But when i press record in logic and play the guitar or sing into nothing comes out how can i get around this? Or is it easier to use Cubase sx?

help please!