Carolina, I can't speak about the Audible Illusions pre. But I bought an Aleph P (non-remote version) several years ago. I had upgraded from an Aragon Aurum. I was BLOWN AWAY with the amount of difference a pre-amp could make. I realize the Aragon is a lower quality product, but the Aleph is awesome. I traded it in for a Krell HT processor. The dealer I traded it to said they hooked it up to make sure it worked, and all the salesmen ended up gathered around, listening, and commenting on how good it sounds. I am not exaggerating. I miss it and will probably switch back to 2-channel with a Pass pre. Good luck.