The Traveler by Hitachi: 'It'll turn you ON!' (1967 print ad)

Attached extension speakers that swing-out from this 1967 portable AM/FM stereo's 'single compact unit' evoke the promise of the Boomboxes that Hitachi and everyone else would begin marketing in the '70s.

- - Don't you think so?

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See also:
The Vintage Boombox and Ghetto Blaster Museum at Pocket Calculator Show.Com

Hi-Fi Boombox: 1954 at Shorpy,
The 100-Year-Old Photo Blog