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This course teaches how to diagnose and repair major power supply issues in a Marshall JCM800 Lead Series amplifier. The learning outcomes include testing capacitors, identifying tube failures, setting bias levels, and troubleshooting pre-amp stage problems. The course employs hands-on methods such as testing speakers, using a Variac for voltage testing, and adjusting the hum pot. The intended audience for this course is individuals interested in amplifier repair and maintenance, particularly those with a basic understanding of electronics and tube amplifiers.
