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post #1 of 7 Old 01-23-2015, 01:36 AM - Thread Starter
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Noisy LED Power Supply

I have a little over 13 meters of 24v 60LED/meter RGB strip lights that I am powering with a SUPERNIGHT 24V 15A 360W DC Regulated Switching Power Supply. The problem is that this power supply is very noisy when it operates especially at full brightness. Would someone please recommend a silent or at least quieter solution. Any help would be greatly appreciated.
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post #2 of 7 Old 01-30-2015, 03:15 AM - Thread Starter
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Anybody using LEDs lights in their theater have a recommendation?
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post #3 of 7 Old 01-30-2015, 11:44 PM
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Electronic (RFI) or mechanical (fan) noise? You'll likely get both from a cheap ass Chinese power supply like that. I'm about to install over 500 feet of SMD5050 LED strips in a restaurant and am going to use a couple analog supplies. There are already a couple of big bucking transformers there from the present installation of incandescent strip lights so I'll only have to add bridge rectifiers and filters.

Transformer examples: https://www.platt.com/platt-electric...=boost%20trans

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post #4 of 7 Old 02-03-2015, 06:24 PM - Thread Starter
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Ah, I knew there was something. Thanks. Going to by one now. The noise on my is from the fan.
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post #5 of 7 Old 02-03-2015, 07:23 PM
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You do realize you'll have to add a rectifier and filter? LEDs don't like AC. You might be better off putting a quieter fan in.

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post #6 of 7 Old 02-09-2015, 05:12 AM - Thread Starter
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Yes, I realized that after I posted and decided to go with a different transformer. I ordered it but don't know if it will work. I will let you know. Here is what I bought.

HLG-240H-24B from Mean Well, 240 Watt, Single Output
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post #7 of 7 Old 02-10-2015, 04:55 AM - Thread Starter
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Well, I hooked up the HLG-240H-24B and it worked great. NO NOISE!!! This particular model "B" has a set of two wires that are used for dim control. I just did not use them since I have my own RGB controller that includes dimming feature.
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