Dumble Overdrive Special Serial Number0182ModelOverdrive SpecialNotesA transition model with the HRM (Hot Rubber Monkey) overdrive processor, 50/100 half power switch, ratio and level knobs, and 6L6 power tubes. Folders Amp Archives Dumble Overdrive SpecialOverdrive Special SN 0182 2Images Leave a Comment Cancel replyYou must be logged in to post a comment.
