Delta 1010 question - popping noise on +4db

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Jedman

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Delta 1010 came in today, and I have it hooked up to the CD in of my reciever/amp with a set of beefy gold plated stereo RCA cables, and then clipped the ends into gold plated RCA -> 1/4" adapters. I'm using the latest XP drivers off of the M-Audio site. When I have the switch on -10db, it plays good, (no popping noises), but I have to turn the amp up higher...when it's on +4db, it is of course louder, but after a bit I get a crackling or popping sound. Is this normal?
Can someone please explain which setting I should use?
Thanks,
Jed
 
If it works at -10 then use -10 ... :)

The technical reason is probably because you are overloading the inputs on your av receiver when using +4. Consumer gear is designed to accept signals at the lower -10 levels.
Just use what works.
 
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Hey thanks, Alfalfa. Man, you're always coming to the rescue! :)
I'll just use -10db...yeah, you warned me about using this "consumer reciever", but it really is sounding great to me! (I'm used to an Audigy2 w/ creative multimedia speakers). It's all relative, I guess.

Thanks for all the help,
Jed
 
Sounds more like clipping to me... The wave form is going up and gets to a point where it can't go up any more, however the singal in is. When you edit it, the top of the wave form is peaking (ie straight), hence the crackling/popping sound ;)

Porter
 
Yes the preamplifier stage of the av receiver is clipping. That is why I said he was overloading the inputs on his receiver - the clipping heard is the result of putting too hot a signal in.
 
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i use +4 ... works like a charm.. very quiet and no pops..
 
Well perhaps thats because you havent got your 1010 connected to a Pioneer home theater AV receiver ... do you?
 
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Heh...now now, that Pioneer is all I could aford right now. :) I'll get som pro-amps someday down the road. Right now, -10db is good enough for me!
And like I said earlier, it's a fat jump in the right direction compared to what I've been listening to!

Thanks everbody's help -- the project is coming along.
Jed
 
Jedman, I wasnt putting down your pioneer receiver. I was pointing out to the c9 that perhaps his situation was not the same as yours, which is why +4 worked without problem for him. Nothing wrong with using -10 or consumer gear. 'Pro audio' gear is not necessarily any better than 'consumer' stuff.

Glad to hear your project is coming along well.
 
alfalfa said:
Well perhaps thats because you havent got your 1010 connected to a Pioneer home theater AV receiver ... do you?
Click to expand...
actually... a pioneer VSX-D508... i have it set on video b/c i hate having towire in th back of my amp...once again.. i have no problem at +4.. my console is at +4 also(Tascam M1600)
so that can't be the problem.. i've had this setup for over a year.. no problems.. i'm about to pick up some powered monitors and use my reference monitors through the pioneer...
i have the bass and treb set flat at 0 and sometimes i tern midnight on..
 
Jedman, my question to you is... what Pioneer amp are you using???
 
your amp is up there with mine so i don't understand why +4 wouldn't work.. have you tried any other ins? do you have the video in on the front of your amp.. if so try it..
 
Jedman, I think you should use the 7.1 inputs. I believe all the other inputs get redigitized ie they get converted to digital and then back to analog inside the pioneer, significantly reducing sound quality and defeating the point of having a good dac like your 1010.

If you are able to apply effects, use bass redirection or basically anything other than volume control then you signal is probably being redigitized which is a bad thing.
 
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I just tried both the video in and the 7.1 inputs -- both still had the popping on +4db. But then I realized that the volume control on the Delta panal was disabled by default. I enabled it, and by turning down the master to -7.5db or so, I can get it to work without the popping noises on +4db. But doesn't that defeat the purpose? I guess I don't understand the reason why one is better than the other...
Also, I can't figure out how to get the volume out of the yellow on the Waveout 1/2 mixer.

Thanks,
Jed
 
Perhaps you misunderstood me. Dont use +4. Dont turn down the master volume in the delta control panel. +4 is not 'better' than -10.

Your best bet is to use -10 and connect your 1010 to the 7.1 inputs.
 
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Gotcha. Thanks, Alfalfa. Delta channels 1 & 2 out are now connected to front (L & R) RCA 7.1 inputs, running -10db.... it sounds good, so I'll just leave it alone. :)

Jed
 
hey Jedman,
where did you get your delta 1010? I'm very intersted in gettin gone of those. I currently have a delta 44 , but i'm looking for more inputs....
Jason
 
Hi Jason,
I got my Delta 1010 off Ebay for $450 on a buy it now. You might be able to get one cheaper if you wait out the right auction -- some are going for a lot more, some for less.
There's one for $305 with less than a day remaining right now. Just do a search for Delta 1010 on Ebay...that was by far the best deal I could find!

Jed
 
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