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Warm audio TB12 Hi Z hiss
Old 1 week ago
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Warm audio TB12 Hi Z hiss

Hello I have a problem with warm audio tone beast TB12. It works good with mic input but I have a loud hiss with Hi Z only. I don't have a schematic, but there are 2 transistors: 2n5551 and F245C. I'm not an engineer just DIY guy. Do you have any Idea how to fix it?
Edit
Repaired
Replaced the transistors, big thanks to Łukasz from Amtec.

Last edited by gonziak; 1 week ago at 11:36 AM..
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