gofar99 Messages: 1969 Registered: May 2010 Location: Southern Arizona
Illuminati (5th Degree)
Hi, There are a number of factors as to why they are not used. First the wire is expensive and unfortunately subject to breakage. Repairs are difficult. Second head wear is high. Third fidelity is rather limited. They were mostly used for dictation and similar functions and never were good enough for hi-fi so when alternatives came out like cassettes they just faded away. Cassettes have been replaced with digital storage now as well.