XXX Dumble Amplifiers - Wikipedia Pictures
Each model furnishes eight channels of clean, efficient amplification in a space-saving 1 RU rack-mountable chassis.
History[ edit ] A,p Alexander Dumble began modifying Fender tweed and Photo Amp Models amplifiers  in By the late s, he was Photo Amp Models and building high-gain amps in the way that Randall Smith of Mesa Boogieand others did. Dumble, however, was not Moedls in selling amplifiers in greater numbers, but focused solely on getting the best possible sound.
Our approach was simply to start building what we needed.