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.
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