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Guitar Pedal X - GPX Blog - 12 of the Best Dumble Style Pedals
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The MacGuffin - A Dumble ODS preamp with submini tubes | PedalPCB Community Forum
Guitar Pedal X - GPX Blog - In honour of Howard Alexander Dumble's Legacy - 18 of the best Dumble ODS Style Compact Overdrive Pedals
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Guitar Pedal X - GPX Blog - In honour of Howard Alexander Dumble's Legacy - 18 of the best Dumble ODS Style Compact Overdrive Pedals
