NAD D 3020 Hybrid Digital Amplifier, the original NAD 3020 introduced a generation of Music Lovers to true high fidelity sound. The term High Fidelity literally means “true to the original”. In the ‘70’s over a million people rediscovered their music when they placed a NAD 3020 between their turntable and their loudspeakers. This little gem could embarrass amplifiers costing 10 times more with its big, warm and detailed sound. Once people realized what they had been missing it lead them to a lifetime of enhanced musical enjoyment.