The Dynaco Dynakit ST70 Stereo Amplifier Restoration Project

Conclude the Dynakit ST70 restoration project in this final installment of the series. Witness the correction of a critical mistake that could have caused severe damage, and follow the meticulous testing process to ensure the amplifier's safety and functionality. Observe the step-by-step power-up sequence, including resistance checks, voltage adjustments, and current monitoring. Learn about the introduction of phase inverters and power tubes, as well as the precise biasing procedure. Evaluate the amplifier's performance through listening tests and THD measurements. Finally, enjoy a demonstration of the restored ST70's audio capabilities with royalty-free music samples.