CrownSteve

Link Out Usage

4 posts in this topic

Hello Kevin...on a previous post you mentioned:

Sorry for the delay. If I understand you correctly, you can just plug your XLR mixer out-to-stereo inputs into one amp and jump these (e.g., with short XLR cables) into the inputs of second amp using the link connectors. Speaker outputs are strictly for speakers; link outputs are strictly for other amp inputs.

Would this apply to active powered speakers? I am getting a hum noise only on my Link/Out's. I just hooked up my new XLS 2500 and I have a laptop out to a mixer then out to the amp powering two 18" subs connected low pass and I have two active powered speakers getting their line in from the amp's Link/Out's. When I turn on the active speakers with no audio I get a hum. When I connect directly bypassing the amp to the active speakers no hum.

Any ideas?

Thanks...Steve.

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The Link Out on the XLS2500 is somewhat different than the XTi. Best way to eliminate the hum is probably to use the 1/4" jacks for input to your powered subs and make sure you are using balanced (TRS) connector plugs. Don't use the RCA jacks if you can avoid it.

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I would suggest using either a balanced line level signal splitter before the amp(s) with one output going to the amps and one going to the active powered speakers or use a line level isolation transformer on the amplifiers Link Out to feed the active powered speakers. Either way should assure that the two systems are properly isolated and balanced.

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Yea sound like something with the grounding with balanced/unbalanced going on. I plugged everything into the same outlet that the amp, mixer and laptop are in and it has diminished a lot.

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