NES/Famicom Stereo Mod

[RetroFixes]

If your goal is simply Mono / Stereo selection you can use a standard 1k pot or switch.
The other methods we discussed earlier gave a larger bass end in the mix.

It's nearly the same setup with the 1uf caps from cpu to pot.

CPU Pin1 to Pin 1 of pot.
CPU Pin2  to pin 2 of pot
Thats it.

Mixing will simply combine and make mono / Turn other direction for full stereo.

Little risk of CPU damage.