Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

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RE: Help ! :(

Posted by Coner (A) on August 24, 2016 at 06:46:02

In Reply to: Help ! :( posted by KanedaK on August 24, 2016 at 01:56:01:

I'd try a 12 battery. Also, verify the your wall wart is putting out
DC, not AC. Hum would come from AC. 1A should be plenty to run the unit.

Putting a large capacitor on the wall wart (DC) output will reduce residual
AC hum (called "ripple") quite a bit.

Edits: 08/24/16 08/24/16

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