| Sunn Coloseum help wanted
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im not sure of if this is the proper forum but i have an old coloseum 300 bass amp that does not work.i bought it years ago as a project and im wondering if there is anyone knowlegable out there with time on their hands that would care to walk me thru the diagnostic phase.i have a good fluke meter and experience as a lighting guy but im new to amp repair.......any constructive input will be greatly appreciated | 
