Dumble mods to AB763 circuits
NAD - 66 Fender Bassman w Dumble Mod | My Les Paul Forum
My '63 Dumble-modded Princeton (?) - The Amp Garage
Fender Dumble Bassman mod 1971 Silverface | Reverb
1978 Fender Super Reverb/"Howard Dumble Mod! Mod > Amps & Preamps | Guitars-Etc.
You can now buy Robben Ford's Dumble-serviced Fender Super Reverb… for $15,000 | Guitar World
My 1968 Fender Twin Reverb w/ Dumble Overdrive Special Mod (info in comments) : r/GuitarAmps
Remembering Alexander Dumble - Premier Guitar
Converting a Fender Bassman to a Dumble 124 Intro - YouTube
Dumble Tweedle Dee Mods | Telecaster Guitar Forum
Erso Amplification "Overdrive Special" 100 Watt Guitar Amp Head - Awesome Dumble Clone! • LA Vintage Gear
Dumble SSS - Music Electronics Forum
Dumble Ultra-Phonix Modded 64' Bandmaster Circuit | The Gear Page
Brandt Audio & Acoustics - A Dumble UltraPhonix mod for Fender Super Reverb. Had oscillation problems due to higher gain of mod and other issues. Easy to fix. | Facebook
1965 Fender Deluxe Bill Krinard Two Rock/Dumble Mod – Watchtower Guitars
Axes & Artifacts - Dumble Overdrive Special, Overdrive Deluxe & Modded Fender Bassman - YouTube
Fender Dumble Bassman mod 1971 Silverface | Reverb
Dumble Ultra Phonix Mod 1964 Fender Bandmaster Head '64 Vintage Pre-CBS | Reverb
AB763 Mods
1965 Fender Deluxe Bill Krinard Two Rock/Dumble Mod – Watchtower Guitars
What's the Deal with Dumble Amps? | Stringjoy
Alexander Dumble 1944-2022 | Vintage Guitar® magazine
1965 Fender Deluxe Bill Krinard Two Rock/Dumble Mod – Watchtower Guitars
1978 Fender Super Reverb/"Howard Dumble Mod! Mod > Amps & Preamps | Guitars-Etc.
Dumble modded Fender Brown Deluxe 1962 | Reverb
