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Motu 828 mk2/3 - Firewire - ADAT - Pops and stuttering

Posted: Tue Mar 23, 2021 6:39 am
by khybermensch
Hi all!

I got 5 motu 828 mk2/3 firewire and got a strange problem. It stutters and drops out and I´m on windows 10. If i dont use ADAT port everything works okey, but as soon as I connect ADAT everything goes south.

The setup is:

Daisy Chain via Firewire
1 Motu 828 mk2 - sync internal
2 Motu 828 mk2 - sync slave to card 1
3 Motu 828 mk2 - sync slave to card 1
4 Motu 828 mk2 - sync slave to card 1

Card connected via ADAT
5 Motu 828 mk3 - sync Word Clock to card 1. Both ADAT ports are connected to card 1. Word clock cable is set from card 1 out to card 5 in.

So what am I'm doing wrong?

Kind Regards Khyber

Re: Motu 828 mk2/3 - Firewire - ADAT - Pops and stuttering

Posted: Tue Mar 23, 2021 7:16 am
by CharlzS
What sample rate are you using? Since you have both ADAT I/O connected, have you tried syncing the mk3 to ADAT rather than word clock? You also might want to turn off the optical ports on the mkII(s) with no optical connections.

Re: Motu 828 mk2/3 - Firewire - ADAT - Pops and stuttering

Posted: Tue Mar 23, 2021 9:03 am
by khybermensch
Hi!

Yes, tried to set the mk3 to clock sync: ADAT Optical A, but no luck there. And the other optical ports are closed. I'm at 44.1 sample rate.