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Monitoring my ADC on a TOFT ATB 24 Audio Interfaces
Old 6th May 2015
  #1
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Monitoring my ADC on a TOFT ATB 24

Hi All, im struggling to get my head round a connectivity scenario and need some help!
So, I use a TOFT ATB, and 24 channels of Lynx Aurora via AES16E Cards (24 analogue outs to the desk, and AES/EBU cable back into the Lynx's spare 8 digital inputs.)

So, im trying to hook up a unit to use as an ADC back from the TOFT to the computer, and I want to monitor the sound of the ADC. Currently I will use a TC Electronic finalizer and its AES output to do the stereo mix ADC, (if I make this work I was going to upgrade to Crane song HEDD, but will refer to the TC Unit as 'ADC' from now on).

So as a quixck fix i have the ADC as the last unit on my master bus inserts, and i take the AES output back to the Lynx. This works, but it bypasses the final master chain in the TOFT, rendering the master fader useless. I want to work out how to keep the master channel on the desk in full use, but still monitor the 'sound' of the ADC whilst running off a full 24 track mix?

My idea was to have the main master outputs of the desk, sent to the ADC inputs, and the ADC outputs back to the 2 track return on the desk. Then simply press '2 track return' button when finishing a mix; to check the 'Sound' of the converter. BUT.... The 2 track return on the TOFT is a single unbalanced Stereo JACK. So would this render the ADC pointless as I would be monitoring a balanced output from the ADC, via an unbalanced stereo jack return socket?

Any help here would be greatly appreciated! Is my first solution correct, OR is there a way to not bypass the remaining master channel on the desk, yet still monitor what my ADC sounds like as its printing a mix??
Old 6th May 2015
  #2
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Hmmm, this is exactly what 2-track returns are for, we do the same thing here but our is balanced XLR. The only thing to do it is probably a decent monitor controller. Just have the master desk output and the ADC output as 2 sources on the controller. Make sense?
P
Old 6th May 2015
  #3
You can only monitor it after it hits the convertor if you have another DA stage to get it back to the analog domain (thus adding another stage of conversion). I go aes to a crane song avocet for that purpose. In your scenario, if the unbalanced run is short, it shouldnt have a significant adverse effect. It's more likely that the TOFT circuitry itself will be more significant in adding colouration (certainly I found my API was).
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