Deck Daddy
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Normal with hiss/hum on 3 of the 8 outputs + rec in?Just bought myself an SP1200! 
But I have discovered some hiss/hum in it. When I first heard all the noise from the mix out I could not believe that is was that much. Then I took out the rec in jack and the bass hum (which was there even with Mix Volume all the way down) disappeared.
BUT there was still a lot of hiss and hum. If I plugged some cables in the 7,4 & 2 outputs the noise disappeared from the main mix output. The hum did not go away with the cables attatched to my mixer. Is this a ground problem? I use grounded outlets on all my gear. The phantom power is not on on the mixer.
Is this normal, or a reason to get back some cash? Since if the unit was mint then it would be aaight, but if there was something unnormal with it we should talk about it.
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Whit Blazemore
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I would try to get some money back atleast $200 or so. Sounds like some scratchy pots.
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DFACE DXA
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common sp problem
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Deck Daddy
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The hum disappeared when I connected the SP to the same grounded outlet as the turntable. Guess it was just a ground loop.
It's still a bit noisy on some of the outs. I'm going to get a little off the price from the seller because of that plus a little sparkling in the main mix knob as well. (Not expensive or hard to either clean or replace with a new)
The noise was not a huge problem when I tried to mix down a beat via the outs with a cheap and bad Behringer mixer. If I route samples that are going to be low in the mix in the most noisy outs, and play the samples at the highest level (as always) out from the SP and then bring the volume of the track down in the mixer/computer. Then I guess the hiss is not a problem. Just have to work around it like that.
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sp1200
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I got noise on some of the outputs too.
I discovered that playing a REALLY LOUD sample through the output stops the noise (at least for a while...)
Try it, record a sample into the SP as loud as possible (turn up your source and the SP input) So you'll end up with a distorted noise sample.
Play this sample at max level through the noisy output and see if it cuts of the noise.
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