Hux Electronics : Technical Reference Material : Crown Amplifiers : Service School
Crown Amplifiers : Service School Part 1 : Semiconductor and Amplifier Basics (pdf, very clear tech info, about 820KB)
Crown Amplifiers : Service School Part 2 : Grounded Bridge, ODEP and VZ Technology (pdf, very clear tech info, about 850KB)
Crown Amplifiers : Service School Part 3 : AC Power and Grounding (pdf, very clear tech info, about 970KB)