https://www.guitarworld.com/features/1965-gibson-eb-6d-six-string-bass
“The six-string bass was a phase that all the manufacturers went through. It was never a big...
Jun 12, 2024 - Well Strung Guitars' David Davidson introduces us to a bona fide oddball – an electric bass with six strings and two pickups that was never a big hit for...
six string basswent throughphasemanufacturersnever
https://www.vintagehofner.co.uk/gallery/oddballs/odd22.html
Rob Francis' Hofner 185 Six-String Bass Guitar
six string bassrob francishofnerguitar