What is a "line level input"?

Hi Rob; years ago, all pre-amps including receivers had special input terminals for the very low output signals (levels) of turntables. Later, as CDs took over the market place, many high end manufactures of pre-amps dropped the phono section, made it optional, or many made a separate phono pre-amp. So, in practical terms, the reference to "line level" pre-amps is fairly modern, and all the input terminals on the back of a typical pre-amp are "line level" inputs. These terminals can accept signals in the 1 to 5 volt output range, and this includes such components as CD players, DA converters, CD-Recorders, cassette decks, tuners, other tape recorders-- or just about any signal except the very low level signal of turntables (measured in millivolts). So if you're into vinyl, you'll either need a pre-amp with a phono section or a separate phono pre-amp that will then plug into your line level pre-amp, but for everything else a line level pre-amp is what you need. Good Luck. Craig.

What is written above is exceelent, guy should teach or at least design preamps

Thanks very much. Although a musician for almost all my life, I am just now getting "feet wet" in higher end audio. What an education the last three weeks have been. Thanks for your input and assistance. Rob

Jvia; thanks for the kind words. Rob; I would just add that TVs, VCRs, DVD players etc. that have "audio out" terminals are also line level components. In a 2nd system, I connect my VCR to pre-amp so I can then play the sound track of movies through the much better quality Vandersteen 2Ce speakers (better than TV speakers). It sounds great, and is nice especially with musicals. Cheers. Craig.