※Shipping service. Separate volume stereo sound/all of JBL/from table of contents= private JBL theory (Yamanaka Keizo) /listening to the appeal of representative speaker systems (Asanuma Yofumihiro, Sugano Okihiko, Yamanaka Keizo) /JBL Engineer Retsuden and others/published on 1993.4.30. Since the photograph is a sample, the actual product may be broken or there may be markings etc.