The LS10 vacuum tube stereo line preamplifier offers sonic performance, functional flexibility and value. It is unprecedented measured by any performance criteria at its price.Chassis construction is with finished slab sides and heavy top and bottom covers; chassis height and depth are slightly reduced, however. The selectable overall gain function allows a wider range of volume-control operation for input sources having different output. The LS10 fits smoothly into any high-performance installation which combines audio and video playback functions. The rear panel offers a full complement of audiophile-grade balanced and single-ended connectors. Performance is smooth and detailed, with good soundstage focus and plenty of deep bass impact. The overall presentation is refined, yet with power that extends effortlessly into the frequency extremes. The LS10 never meets a sonic challenge it can't handle with aplomb - and it does so while offering all the features needed to fit into today's multipurpose entertainment systems.