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- Tue Mar 18, 2025 2:12 pm
- Forum: Technical Discussion
- Topic: Harmony 525 preamp with parallel triodes
- Replies: 2
- Views: 581
Harmony 525 preamp with parallel triodes
I recently acquired an original/unmodified 1966 Harmony 525 30w three input bass tube amp with a 15" Jensen that I plan on using with my Fender Strat and Gibson Les Paul guitars. This is my first tube amp modification project. If my terminology is incorrect, I apologize. So far I have replaced all f...