In the 70s, I was a Dynaco guy, but most of my friends had Marantz receivers. Pioneer was famous at the time for car audio.
Here’s an ad that helped build Marantz’s "battleship" reputation:
https://images.cdn.whathifi.com/sites/whathifi.com/files/styles/big-image/public/Marantz_2275ad.scal...
Here’s an ad that helped build Marantz’s "battleship" reputation:
https://images.cdn.whathifi.com/sites/whathifi.com/files/styles/big-image/public/Marantz_2275ad.scal...