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General Asylum General audio topics that don't fit into specific categories. |
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General Asylum General audio topics that don't fit into specific categories. |
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In Reply to: DC on the AC line? posted by Audistic on August 7, 2004 at 16:17:50:
DC on the AC line can result from appliances with solid-state controls that draw more current from one half of the AC sinewave than the other half. Heating appliances sometimes implement a half-power mode by putting a diode in series so that current is drawn only on one half of the AC cycle. This results in greater voltage drop on one half of the AC cycle than the other half, i.e. a net DC component. Toroidal transformers don't like this.You can get a DC blocking capacitor for the stereo. As an interim measure, try plugging the stereo into a different outlet with an extension cord.
Ed
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Follow Ups
- Re: DC on the AC line? - EdG 08/7/0419:58:46 08/7/04 (0)
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