vintageguitar.com
Supro’s Thunderbolt S6420+
Supro’s Thunderbolt S6420+ Price: $1,599 (list) Contact: www.suprousa.com Upon introduction in 1964, the Valco-made Supro Thunderbolt Model S6420 was a misfit. Like Fender’s 4×10 Bassman, it w…
Michael Dregni