Good news. Bucket brigade (BBD) chips are still produced and available from various sources. [0][1] They are used today in a lot of guitar/synth gear. [0] http

Good news. Bucket brigade (BBD) chips are still produced and available from various sources. [0][1] They are used today in a lot of guitar/synth gear. [0] https://www.electrosmash.com/mn3007-bucket-brigade-devices https://www.electrosmash.com/mn3007-bucket-brigade-devices [1] https://www.coolaudio.com/features-page.php?product=V3205SD https://www.coolaudio.com/features-page.php?product=V3205SD They way they work by design, clock noise needs to be filtered out of the final signal, so relatively heavy low pass filtering is standard. The result isn't very hi-fi.