Dumble amp - Overdrive Special history by D-TONE AMPS
Dumble Amplifiers — Wikipédia
5E3 Mods
Amp Voicing
70ies circuit Bludodrive" - Page 4 - The Amp Garage
LTSPICE Analysis | John Mayer Two-Rock Signature
Need help on this schematic. it's the runoffgroove umble- tonestack from one Dumble, gain stages from a different Dumble. I want to build the circuit but without the extra gain stages, but
Amplifier Tone Stacks - monster.party.hat
Frontman 25 Tone Stack - Understanding and Adjusting - The Amp Garage
Guitar Pedal X - GPX Blog - In honour of Howard Alexander Dumble's Legacy - 18 of the best Dumble ODS Style Compact Overdrive Pedals
Peavey Delta Blues boost mod - Music Electronics Forum
Amplifier Tone Stacks - monster.party.hat
LoCo Pedals- Motive + Blue Soul! Best Dumble Tone Stack?! Small Business Tuesday - YouTube
Damocles – Chasing Tone
Cause & Effect Amp Works Homepage
Umble
StompBoXed - The Guitar Pedal Builders Repository: Tone Stack / Tone Control