“Dumble would refuse to build them for a lot of people, but for whatever reason, he agreed to make four for me”: Pearl Jam used Dumble amps on new album Dark Matter, reveals producer Andrew Watt

Collage of Andrew Watt and Pearl Jam
(Image credit: Jeff Kravitz/Getty Images; Danny Clinch/PR)

Esteemed producer Andrew Watt has revealed that the iconic amp designer and builder Alexander Dumble made four custom amps specifically for him – and Pearl Jam went on to use these amps on their newly released 12th album Dark Matter.

In a new interview with SPIN, when asked whether any specific gear wound up being used a lot, Watt explains: “A guy named Alexander Dumble made the amps. He was a very strange guy who unfortunately passed away in 2022.”

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Janelle Borg

Janelle is a staff writer at GuitarWorld.com. After a long stint in classical music, Janelle discovered the joys of playing guitar in dingy venues at the age of 13 and has never looked back. Janelle has written extensively about the intersection of music and technology, and how this is shaping the future of the music industry. She also had the pleasure of interviewing Dream Wife, K.Flay, Yīn Yīn, and Black Honey, among others. When she's not writing, you'll find her creating layers of delicious audio lasagna with her art-rock/psych-punk band ĠENN.