First post, by root42
And I have to say it was extremely fun! The project is very straightforward. Boards were manufactured by aisler, parts ordered at Mouser and the Yamaha chips off of eBay. Soldering took all in all maybe 1.5 hours. Plus I had to assemble a barebones 286 from old parts off of eBay. The card worked on first try! I still have to drill holes in the bracket and have to get a case for the 286.
Two problems I noticed: the card is quite noisy. This isn't particularly notable when music is playing, but maybe it's the way those old cards were.
Second, the potentiometer I used seems pretty direct. Maybe it's a linear one? It certainly doesn't feel logarithmic. I used the parts described in the project (https://github.com/schlae/adlib).
The final product: