ALTEC LANSING: Scientists disclose basic improvements in high quality sound reproduction in new speakers

 

 

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A lot of information on vintage JBL equipment can be found at the following Facebook group https://www.facebook.com/groups/JBLALTEC/permalink/844140395770562/?comment_id=844192352432033&notif_id=1517571314044054&notif_t=group_comment&ref=notif