Slabbefusk Posted May 9, 2005 Report Share Posted May 9, 2005 Okay I have this Peavey Rockmaster Preamp that I use and the Ultra Channel has gotten kinda muddy and screechy, I guess its the tube thats gone but could it be something else? And how do I know which tube is for what channel, does anyone know where I can find a schematic for it? Quote Link to comment Share on other sites More sharing options...
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