Rare Ampeg Portaflex B-15-N Bass Amplifier - Major Repair

Embark on a detailed journey through the first part of a major repair on a rare Ampeg Portaflex B-15-N Bass Amplifier. Discover the challenges faced when encountering a poorly maintained and incorrectly modified vintage amplifier. Learn about the initial assessment process, including the identification of non-standard modifications and safety hazards. Observe the methodical approach to disassembly, cleaning, and component testing, with a focus on the importance of proper documentation and adherence to original specifications. Gain insights into the use of various tube testing equipment and the transition between different testers. Explore the intricacies of vintage amplifier circuitry, including the unique features of this rare B-15-N model. Witness the meticulous process of removing unauthorized modifications and preparing the amplifier for proper restoration. This video serves as an educational resource for those interested in vintage audio equipment repair, highlighting the importance of patience, attention to detail, and the preservation of historical accuracy in audio restoration projects.