&quot;...the quarter-inch audiotape—first used in 1972....&quot;<p>Not hardly; these were popular home devices in the &#x27;60s and per Wikipedia the &#x27;50s, my family traded tapes with at least one of my mother&#x27;s sibling&#x27;s families back in the &#x27;60s, and I got my own TEAC unit no later than Christmas, 1974, by which time the low fidelity tape cassette was becoming a big thing.