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Remedy944

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Feb 13, 2020
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Hey guys,
I recently switched over one of my arcade cabinets from a CPS2 setup to a CPS3 with an Ultra Bios cart. After switching I have noticed a decent amount of feedback coming through the speakers with the CPS3. I didn't remember having this much feedback when using my CPS2, but I switched it back to check. After hooking up the CPS2, I get a very small "hum" sound. It is so minor though that it makes sense that I never even realized it. I am using the red and white RCA jacks and it is set to stereo. I attached a video of the speaker feedback on startup and a picture of the amp in that has been in there since I bought the cabinet. Does the amp cause this or is it just feedback from elsewhere? Thank you.



Amp-min.jpg
 
Hard to exactly hear what the “hum” is, but if you have the CDROM drive hooked up, I’m wondering if that could be contributing to the noise feedback you’re hearing? If you leave this on for 5 minutes or so (when the CD normally stops spinning), I wonder if it would sound any different.
 
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