Some of you no doubt know about Dumble amps, rare, expensive, hand-made boutique amps.  Perhaps the player most associated with his amps is Robben Ford.

https://www.musicradar.com/news/howard-alexander-dumble-death

Sad news, the Dumble amps sound amazing. Lowell George, Bonnie Raitt, David Lindley, Henry Kaiser and Stevie Ray Vaughn are also well-known Dumble users.