A quick scan of bass forums (TalkBass, Reddit’s r/Bass, and Peavey user groups) reveals a growing trend: The MAX 115 is aging. Units from the early 2000s to mid-2010s are now experiencing capacitor drift, cracked solder joints, and power supply failures.
The problem? Peavey has historically been protective of their intellectual property. While they are one of the most helpful companies regarding technical support (often emailing PDFs upon request), finding a public, labeled, and exclusive deep-dive schematic is rare. Most online copies are blurry, incomplete third-gen photocopies.
Our exclusive analysis—synthesized from original Peavey service bulletins and technician reverse-engineered notes—gives you the clearest roadmap yet.
Some verified schematics circulate in tech forums. Use these only if you can’t wait or have a discontinued revision:
⚠️ Warning: Many free “schematic” sites show a random guitar pedal or completely wrong Peavey amp (e.g., a Bandit 112). Always check for voltage rails and transistor numbers.
Before emailing Peavey, check:
Before probing voltages, you must understand the signal path. The Peavey MAX 115 is deceptively simple. It consists of four distinct sections:
