"Nobody needs it..." -- Then call me nobody.
There are cards with multiple AES and multiple SPDIF coax out. I did make good experience with Toslink regarding galvanic isolation. In my case it was better then coax.
You didn't really answer my question. If you can switch one ADAT to SPDIF, why not all ???
A parallel Coax/Toslink I consider pretty useless. Why not seperate those channels?
Your solution seems a bit of an overkill to me. I better look for an AES-Toslink converter. But that probably
will introduce more jitter and will cost more.
Your Raydat comes with 4 optical outs. It might not be that difficult for your guys to consider minor modifications for the future.
My usecase: I'd like to run four FullDigitalAmps (PCM/PWM conversion -- no DAC) with Toslink input.
I do think optical connections are very benefitial. SPDIF Toslink though obviously has some limitations.
Though I'm pretty sure that active speakers with optical input and full digital amping might have quite a market out there.
Cheers