Array 1.1 is a unique design utilizing dual 2A3 tubes as rectifiers and dual mono transformers for the left and right channels. This systems delivers striking clarity and detail that presents instrumental timbres and textures with extreme realism. Top off with its enormous sound stage and vivid imaging capability. Array 1.1 allows listeners to enjoy any musical reproduction at its fullest. Array 1.1 provides a seamless pre-amp stage for Array 2.1.