<p>A Nakamichi 550, serial 3671605. (<a rel="nofollow" class="external text" href="https://www.1001hifi.info/2022/04/nakamichi-550-1974-two-head-portable.html">Short article and technical data in English</a>) 
A portable cassette recorder manufactured 1974 to 1980.
</p>
I'm very much not a photographer of appliances, and so this isn't going to win any photography awards.
<a href="//commons.wikimedia.org/wiki/User:Alex_Noble" title="User:Alex Noble">Alex Noble</a>
Taken on 1 September 2021, 09:24
<span class="int-own-work" lang="en">Own work</span>