Dumble ODS Build pt. 1 - Schematic Review
53:42
Dumble Build pt 2 - Step By Step Build Walkthrough
19:13
Building a Dumble #124
16:28
So this is the Dumble Sound? Wow..
10:57
Demystifying the Dumble ODS circuits
17:01
The BEST Dumble I've EVER Played!
32:43
John Mayer's Dumble Amps - The Ultimate Guide
16:13
Joe Bonamassa's 1976 Dumble Overdrive Special Reverb
25:37