I your case I would suggest the following

Firstly, connecting alle slave comms from the legacy speakers together. The choose and set one of the fronts to master speaker.

Make or buy if avaliable a Y split din (slave comms) cable where you can send the slave comms thru to the other speakers and have one exit left to feed a 218 with slave comms on the speakerlink in. (Make a cable from din slave comms to speakerlink comms (pin 1 and 2 on the rj45 side)

From that 218 you have 2 analoque inputs for the 18 bit surrounds. Take the speakerlink output from that 218 and connect it to the speakerlink input of the second 218. Connect the m6 speakers to the speakerlink outputs.

When all speakers are off, press clear on the remote, while pointing at the speaker to select it as a controller. Mostly the master speaker is used for that.

All speakers will be operating like the should.

For the input side of this:

Feed the first 218 with analoque input for the 18 bit surrounds (set output to 1x)
Feed the second 218 with the analoque input for the M6 rear position
Feed the zones for the Distributor with the corresponding analoque inputs and outputs to the surroundspeakers

You can't control the distributor so they all (3 units separately) need to be programmed once to be all sources analoque. This must be done via the control window and not via the legacy program. It is a seperate little program. You can leave the whole rs232 thing because it would not work. In your and my case the distributor is a A/D converter only. You can make the powersupply as fancy as you could but I really doubt it would make any major difference.

Last edited by ThePioneer; 2025-11-12 18:44.

DSP8000SE - 218 - Roon