1976 Panasonic line of Portable Cassette Tape Recorders Vintage Ad

This original 8.5 x 11" magazine ad from 1976 showcases the line of Panasonic portable cassette tap records with built-in microphones.  The ad shows 6 different models, RQ-548S, RQ-544S, RQ-460s, RQ-304S, & RQ-160S.