When I connect the tx6 via usbc to an output device,(rodecaster pro 2 via its USBC-2 port) channel 6 stops working as an analogue input (all other 5 channels work fine) - I’ve set usb out to EXT 2 out (and tried the other options) but no luck - I checked with my MacBook in audition and this works ok though - any thoughts ?
USB-2 should only accept two channels of input, so it seems you’re dealing with either a stereo mix of your 6 TX-6 channels or a mono signal of either the L or the R channel. I’d check the panning on channel 6, and also the Mono(b)/Stereo/Split setting for the input of channel 6. Something in that ballpark would be one simple explanation.