Retrofit Amazon Echo into 80's boombox 

Modifying this lovely Hitachi TRK-3D80 boombox from 1986. This is one of my favourite portable radio cassette players from the 1980s due to its strong looks and sound quality.
I have owned a few of these which I have repaired and restored. One of my restoration videos with another 3D80 can be seen here:
• 1980s Hitachi boom box...
In this video you can watch me integrate an Amazon Echo Dot Gen2 (Alexa) into this boombox. I also carry out a couple of other modifications as well.
Video jump points:
00:00 Hitachi TRK-3D8
10:55 Echo Dot teardown
18:55 Echo’s RGB LEDs
29:35 TRK-3D80 Op-Amp
31:01 Stereo level meter modification
38:20 LED placement on the boombox
49:36 Echo Dot fitted
51:02 Remote switches
53:29 Testing
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