Like for a guitar? That would be mono.
Yeah that sucks. Same thing on my 22.
The VCF is before the master and you can send either channel to it with a switch.
Individual aux send per channel and a filter per channel would be such an improvement.
Doesnt matter
Iād possibly looking into buying a line 6 DL 6 you would be able to get 2 converter cables per deck RCA to 1/4 āā jack and vise versa so you would need 4 in total and run them into each channel, they have some great delay options plus a reverse delay which could make for an interesting sound.
I understand these are guitar FX pedals but should still work