Audio Research LS-7 Preamplifier

The Audio Research LS-7 is a pure tube line stage that embodies the minimalist design philosophy and sonic excellence Audio Research is celebrated for. With its all-tube gain stage, wide bandwidth, and low distortion, the LS-7 delivers a sound that is open, natural, and dynamic—perfect for bringing music to life with both refinement and power.

This unit comes complete with its original packaging, ensuring safe transport and preserving its collectible value. It has also been fitted with a newer set of tubes purchased recently, giving you reliable operation and performance right out of the box. The fresh tubes highlight the LS-7’s strengths: a holographic midrange, extended highs, and a solid, authoritative low end.

The LS-7’s design avoids unnecessary features in favor of sonic purity. With a clean, straightforward layout, sturdy chassis, and Audio Research’s understated aesthetic, it integrates easily into any high-end system. Paired with a matching power amplifier, it unlocks the full emotional impact of music while staying faithful to the recording.

For those seeking a straightforward, no-nonsense tube preamplifier that prioritizes sound quality above all else, this LS-7 is an excellent choice. Complete with packaging for safe handling and newly purchased tubes for worry-free listening.