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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Consumer Hardware & Components > Table radio squeals with Mini input, silent with MBP

Table radio squeals with Mini input, silent with MBP
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Join Date: Dec 2001
Location: Land of Enchantment
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Mar 19, 2014, 09:29 PM
I got a Polk iSonic for my computer. When attached to my Mini through either audio out or via usb DAC it squeals when set to AUX at 38 +-5 db around 1K hz. Same from my wife's Mini audio out. Her MB and my MBP have no such problem. This is simply with no signal from the computer, i.e. nothing playing. Her Mini is a Core Duo, mine is a recent i7. Laptops 4 and five tears old. Any idea why, and how to fix it?

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