The Eurorack version of 1010music's Bluebox mixer and recorder offers up to 12 tracks of audio, each with their own gain, volume, pan, four‑band EQ, on‑board reverb and delay.
Back in the pre‑computer days, manufacturers saw the need for straightforward and affordable mixers to handle the stack of electronics and bring it all down to a simple stereo pair, or even just a mono output.