Sommer cable guitar cable vintage style sc classique sommer cable 300 0112 the sommer cable 300 0112 is a guitar cable sc classique that looks old but the technology is new and unused the core is made up of an inside lead with a diameter of 050mmsup2 consisting of 28 individual fine copper litz ensuring untainted musical pleasure across lengths of 66 feet often considered a problem by spoiled musicians the black and blue 20awg cable is rounded off by a thick insulation of foamed and