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Dive into the fourth installment of the Dynakit ST70 restoration project. Learn about the dangers of working with charged capacitors and the importance of safety precautions. Follow along as heater wires are connected, the old PC-3 circuit board is removed and cleaned, and the new chassis is prepared. Observe the meticulous process of rewiring the amplifier, including the installation of bias pots and the connection of high voltage components. Gain insights into the installation of the Bias Balance Control Upgrade (BBCU) kit and the modifications made to improve grounding. Witness the final steps of cable management as this phase of the restoration project comes to a close. Perfect for vintage audio enthusiasts and those interested in tube amplifier restoration techniques.
