Simmons SDS9 Major Component Layout
Michael Hightower I’ve been working on a number of SDS9s lately, and it can be a real pain trying to find the right IC. So, I’ve made a little map for myself.…
schematic
Hammond L-100 Revised Service Manual
I’ve re-created the Hammond L-100 service manual because the scans commonly found online are just terrible. This version has completely re-drawn schematics, searchable text, and some information on modifications.