connections and outs - question(s)

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Frisco's Most Underrated
Member Since: Jan 28, 2003

Ok, so I just bought the last bit of cables I thought I would need to get my monitors hooked up and everything nice and steady for my set up. However I'm having some problems, and any insight you guys can lend is much appreciated.

What I want to do is run from 1/2 outs on my Delta 66 to my poweramp and from there to my monitors. Ok, that works fine.

But in addition, I want to send the RCA outs from the 66 to the tape in to my mixer for monitoring while I record (and just leave the power amp off during this time). I know I could just send the 1/2 outputs from the delta to my mixer and then output from my mixer (little behringer 602A) to the poweramp, but I monitor way more than I record and plugging and unplugging the mixer everytime I want to monitor would surely drive me mad (if only the mixer had an on off switch).

Anyhow, my problem is that I can't seem to send the wav out from my computer through more than one output pair at a time. For example if I go to Windows audio controls and select the Delta 66 Multichannel as my audio playback device and I then go to the M-Audio control panel, wav out will only be output to outs 1/2. If I select Delta 66 3/4 or Delta 66 S/PDF from Windows playback, then wav out will only go through that specific pair. Ideally, I want wav out to go through 1/2 and S/PDIF at the SAME TIME!

On top of that, when I specify the wav out to go through S/PDF, my Delta 66 mixer shows output, but when I plug the cables into the tape in on my mixer (again, a Behringer 602A), I get no sound out of my mixer. I just bought a pair of phono audio cables made for home theatre setup (the box says use to connect vcr to stereo amplifier), could this be the problem (I hope not). Or is it something with the mixer that I do not understand.

Yeah, unless you guys shine some light on the situation, I have two options, both of which are super annoying to me. I can either switch the 1/2 out cables back and forth from the power amp and the mixer each time I want to record, or I can run the monitors through the mixer as was previously stated. Am I missing something guys???

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Administrator
Since: Apr 03, 2002


Mar 14, 2005 11:10 am

Ummmm, dude, those RCA outs are digital SPDIF outs, they can't be run back to an analog device...if I understood correctly, that is what you are trying to do...

edit0r
Member
Since: Aug 17, 2004


Mar 14, 2005 12:02 pm

Been there done that.........

Frisco's Most Underrated
Member
Since: Jan 28, 2003


Mar 14, 2005 12:08 pm

****. It looks like you're right. So uh, will the cables I bought even work on the S/PDF outs?

Karyn
Member
Since: Jul 10, 2004


Mar 14, 2005 12:24 pm

spdif cables are 75 ohm cables with RCA connectors. Do not use audio cables for spdif purposes.

Hold 'Em Czar
Member
Since: Dec 30, 2004


Mar 14, 2005 12:30 pm

i disagree, i'm using a regular audio 1/8" TS to RCA on my spidif out from my soundblaster to my Q-10 runnin' at 48khz just fine...it's a very short cable though so maybe i just got lucky...i understand the different impeadence (sp?) levels but i read somewhere that if it's short and a good quality cable you shouldn't have much problems unless you're tryin' to run something like 192khz sample rates.

peace

wyd

Hold 'Em Czar
Member
Since: Dec 30, 2004


Mar 14, 2005 12:31 pm

oh i also implied that both my ins and outs are digital, ya can't do that gooin' from spdif to audio though.

Frisco's Most Underrated
Member
Since: Jan 28, 2003


Mar 14, 2005 12:32 pm

right, ok. Thanks Rec Chick.

Anyone have options for routing where I don't have to plug/unplug my mixer everytime I want to monitor, or change cable everytime I want to record?

Karyn
Member
Since: Jul 10, 2004


Mar 15, 2005 02:38 am

Quote:
i disagree, i'm using a regular audio 1/8" TS to RCA on my spidif out from my soundblaster to my Q-10 runnin' at 48khz just fine...it's a very short cable though so maybe i just got lucky...i understand the different impeadence (sp?) levels but i read somewhere that if it's short and a good quality cable you shouldn't have much problems unless you're tryin' to run something like 192khz sample rates.


Yes, audio cables will work. I've done it myself, but 75 ohm cable will reduce data losses and minimize accumulated jitter. I care about keeping my digital data stream as pure as possible so I only use digital s/pdif cable. if you pass digital info through audio cable repeatedly you will lose data and accumulate jitter, and eventually it adds up to bad news. If your on a deserted island, and you must make that digital transfer, and all that washed up on shore was a rca audio cable, by all means use audio cable. (rinse connectors in fresh water first before connecting to equipment.)

www.karynwhittemore.com

Hold 'Em Czar
Member
Since: Dec 30, 2004


Mar 15, 2005 12:29 pm

hmmmm i've read alot about jitter, but i'm not quite sure what it sounds like....can you describe? heck maybe i'm gettin' it now and don't realize it...

thanks recording chick

wyd

Karyn
Member
Since: Jul 10, 2004


Mar 15, 2005 04:27 pm

It's not so much a sound as it is a corruption in your data stream. You can have losses without necessarily hearing them. They could show up at a bad time like when you go to burn your master, and there's bleeps, blips or other digital garbage. A moment that I would like to avoid at all cost. I'd rather just pay the extra money for a fine digital s/pdif cable.

cheers

Administrator
Since: Apr 03, 2002


Mar 15, 2005 04:28 pm

I agree with Karyn completely. They are not that much more anyway...

Hold 'Em Czar
Member
Since: Dec 30, 2004


Mar 15, 2005 04:58 pm

yeah makes good sense...

thanks!!

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