A single ADAT optical (not spdif) can run eight channels at 48k. It will run half as much when you double the sample rate. To make sure you are sync make sure you use both in and out optical cables.

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pcrecord, post: 410222 wrote: Hi,

I just need to confirm a thing
1 ADAT input/output can deal with 44.1khz and it takes two to run 88.2 or 96khz right ?

I ask that because the specs of the M-Audio Project mix says it can do 88.2 and 96 but It has only 1 input and 1 output.

am I wrong ?

Just as Jack says. The ProjectMix has one lightpipe input and one lightpipe output. In ADAT mode, these can receive/send 8 audio channels at 44.1/48 KHz or 4 audio channels at 88.2/96KHz. To transmit 8 channels at the higher rates would need two lightpipe ports in each direction.

Oh yeah !! I didn't remember the part with 4channels instead of 8.
Thanks guys ! :)