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#1677639 - 08/28/20 11:44 PM Sync'ing 1680 to PC
RD Offline
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Registered: 07/29/02
Posts: 1399
Loc: Michigan, someplace near a swa...
Hello folks! I have a SSL2+ audio interface that I just had shipped my studio. What I am hoping to do is to take a audio path out of the PC via USB, to the SSL and then out to a monitor switch... (Big Knob Mackie).

I'm also hoping to take that same digital feed from the USB and sync the digital to the 1680 so that I can take the digital tracks that come in through the internet and my Reaper program, to the 1680... Basically recording them onto the 1680 digitally for mixing in my project.

I'm sure there are other syncing possibilities like having the 1680 clock up with the PC, or using the sliders on the 1680 to control the graphics in Reaper... But this is a little beyond my need at the moment I think and certainly beyond my knowledge!

in any case, tomorrow when I get home I plan to try hooking all of it up. Any thoughts on any of the above? Would love to find out if I'm on the right track... Not too many people out there trying to sync up 1680s so this is where I go for my wisdom!

(I was able to find an earlier post where Dan gave me some sage counsel kind of along these lines... But this is a new unit and I haven't had a chance to try it out yet.)

I'll report back here as I progressed on this hopefully in the next few days.


Edited by RD (08/28/20 11:45 PM)
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Using my original VS 1680 27 years now and counting!

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#1677741 - 08/29/20 09:35 PM Re: Sync'ing 1680 to PC [Re: RD]
RD Offline
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Registered: 07/29/02
Posts: 1399
Loc: Michigan, someplace near a swa...
Okay, I have it all hooked up and the music leaves my PC via USB cable into the SSL 2 + interface... Which is a pretty cool unit. I then take a RCA pair over to my monitor switches, and I'm listening to a quiet non buzzy beautiful rich perfect sound digitally coming off the PC... As opposed to my 3.5 mm Jack which was buzzy.

The reviews of this unit are pretty stellar for the 4K analog distortion EQ switch in the two channels which from the review sound amazing...

so I am confused as to how to take a WAV file playing in my PC, and record it back into my vs-1680. it should obviously input through the digital ins, but I'm not quite sure how to hook that up? (For that matter, how to record any digital source into the 1680?)

If you have any suggestions I'd sure love to hear them! It's got to be something simple that I'm not understanding...

Any ideas how I can hook up my PC to the 1680 hopefully using the SSL 2 +, my MP3 to send my WAV file into a track on the 1680? :-)


Edited by RD (08/29/20 09:38 PM)
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Using my original VS 1680 27 years now and counting!

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#1677771 - 08/30/20 01:21 AM Re: Sync'ing 1680 to PC [Re: RD]
uptildawn Offline
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Registered: 12/15/01
Posts: 9075
Loc: on land
Can I suggest that you try the analog Stereo IN, or even any pair of analog inputs on your 1680, if for no other reason than to experiment with the sound quality? If you do, be sure to keep your VS input levels (the attenuator knobs) down at line level - around 9 o'clock or less, possibly. Then adjust the output of the SSL 2 to suite your desired input meter levels on the 1680 (without overloading/distorting the input that is). It's all about gain staging, you know.

That SSL2+ doesn't appear to have digital jacks anywhere.
If you plug into the 1680's Stereo IN jacks and use a rca stereo out pair on the SSL2, then you could use a standard rca to rca cable. If you use the 1/4" output pair of the SSL2 and go into a pair of 1/4" inputs on the 1680, you can use a standard 1/4" cable pair (Does the SSL2 have balanced TRS jacks out?..... I didn't notice..... At any rate, you could use a pair of standard instrument cables, if you wanted. The point being that there's two ways you can connect and not need adapters...... and two ways you could use with adapters for that matter.
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#1677788 - 08/30/20 03:38 AM Re: Sync'ing 1680 to PC [Re: uptildawn]
RD Offline
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Registered: 07/29/02
Posts: 1399
Loc: Michigan, someplace near a swa...
Thanks so much Dan! That's kind of where I was thinking it was headed LOL... so if I read this correctly, I would be going from the digital to the analog realm... Which might not be a real problem on one track coming from a WAV file.

I wonder if there's something like the SSL that has a digital path that would keep everything digital from the PC all the way back to the vs-1680?

Thank you big time for the answer! I'll get after it tomorrow. I was able to get everything else to work wonderfully.
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Using my original VS 1680 27 years now and counting!

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#1677800 - 08/30/20 05:15 AM Re: Sync'ing 1680 to PC [Re: RD]
uptildawn Offline
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Registered: 12/15/01
Posts: 9075
Loc: on land
Don't wish too much for a dual digital path, unless the digital type is the same coming and going - like in and out both being optical (toslink) or coaxial spdif (rca). The digital path you refer to from the pc to the interface is USB...... Your interface would need to have an optical or coaxial spdif on the output side (with whatever converting circuit required) in order to work with the 1680. It might be a stretch to find something like that.

Now if your pc to interface path happened to be optical or coaxial spdif as well, then it could be much easier - say if your interface was on a pci card mounted in the pc, for instance. That way, your pc's digital path would not be external and so you'd only have one external digital path to contend with (that of the interface to 1680).

I mention this, because whenever you involve more than 2 devices on a digital signal path, you also require a solid sync source, which may or may not come from one of the devices directly (as in a word clock chain for instance) to act as the master clock. When dealing with multiple digital types (coaxial spdif and optical adat for instance), you often have to have a rather expensive digital clock source to connect everything to.
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uptildawn

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#1677804 - 08/30/20 06:48 AM Re: Sync'ing 1680 to PC [Re: uptildawn]
gyorpb Offline
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Registered: 05/11/19
Posts: 295
Doesn’t the computer have a digital output?
 Originally Posted By: uptildawn
[…] whenever you involve more than 2 devices on a digital signal path, you also require a solid sync source, which may or may not come from one of the devices directly (as in a word clock chain for instance) to act as the master clock.
Technically speaking, you need a solid sync source (clock), no matter the number of devices involved.
 Quote:
When dealing with multiple digital types (coaxial spdif and optical adat for instance), you often have to have a rather expensive digital clock source to connect everything to.
The types of interfaces have very little to do with needing a master clock source, and there is also no solid need for an external source; they’re often jus “better” at it. What you do need to do, is considering which device is the clock master, in every scenario.

Luckily, in a simple setup, that’s just the device sending the audio data, as the clock signal is embedded in the data stream.

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#1677839 - 08/30/20 06:08 PM Re: Sync'ing 1680 to PC [Re: gyorpb]
RD Offline
Planeteer


Registered: 07/29/02
Posts: 1399
Loc: Michigan, someplace near a swa...
Thanks to both of you! Gives me something to consider and also run by my nephew Ben who works with computers...cheers!
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Using my original VS 1680 27 years now and counting!

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