Uh, actually, the previous answer is only partially correct. On my 3803 (and I confrmed this to be true for the 3805 as well by looking in the manual on page 7 for the 3805 on Denon's web site) the built in phono pre-amp is a moving magnet input only. If you have a moving coil cartridge you'll still need a seperate step up transformer if you want to listen to vinyl with your 2805 or 3805.