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- Sat Feb 02, 2019 2:57 pm
- Forum: Technical Discussion
- Topic: Stand-alone tube preamps
- Replies: 33
- Views: 10749
Re: Stand-alone tube preamps
Hey all! I wanted to post back and say that I found a guy on ebay to build me a tube preamp pedal. He let me pick whatever design I wanted, so I found a schematic on here for the Two Rock John Mayer signature amp, so he is building it based off of that. His preamps run two 12ax7 and he making the m...