The search returned 3 articles:

  1. January 2017: Project: New SC200 Audio Amplifier by Nicholas Vinen & Leo Simpson, kits: Altronics K5157, PCBs: SC 01108161, 01109111, 4 shop items
  2. February 2017: Project: New SC200 Audio Amplifier – Part 2 by Nicholas Vinen, kits: Altronics K5157, PCBs: SC 01108161, 01109111, 4 shop items
  3. March 2017: Project: New SC200 Audio Amplifier - Part 3 by Nicholas Vinen, kits: Altronics K5157, PCBs: SC 01108161, 01109111, 4 shop items