The search returned 3 articles:

  1. May 2019: Project: DSP Active Crossover and 8-channel Parametric Equaliser by Phil Prosser and Nicholas Vinen, PCBs: SC 01106191-6, 12 shop items [print issue] [online issue]
  2. June 2019: Project: DSP Active Crossover and 8-channel Parametric Equaliser, part two by Phil Prosser & Nicholas Vinen, kits: SC5023, PCBs: SC 01106191-6, 12 shop items [print issue] [online issue]
  3. July 2019: Project: DSP Active Crossover and 8-channel Parametric Equaliser by Phil Prosser & Nicholas Vinen, kits: SC5023, PCBs: SC 01106191-6, 12 shop items [print issue] [online issue]