paperlined.org
apps
>
modular_KVM
>
audio
document updated 13 years ago, on Jun 14, 2011
no potentiometers, no switches, just merge the two
passive
2 port
3+ port
3+ port
active
summing op-amp
a 2-port stereo mixer with volume controls
hacking a 2-port RadioShack switcher to have a volume control
