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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Thanks! I've wanted to verify that I don't have one, and posted by Terry P on March 19, 2006 at 14:07:48:
Your AC power voltage can become distorted from a pure sine wave if some other user connected to the local power feed uses something that draws a lot of current for only part of the AC wave. One possible cause would be a hair-dryer set for partial power.Audio equipment with toroidal transformers can hum if the toroid is fed some DC along with the AC. DC causes the transformer core to saturate during part of the AC waveform and one result is a mechanical 60 Hz hum. Older rectangular transformer designs seem to be less sensitive to this problem.
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Follow Ups
- That would be DC on your AC... - Al Sekela 11:19:17 03/20/06 (2)
- Al - you da man ! Thanks! - Terry P 12:07:32 03/20/06 (1)
- Yup. Sometimes several houses are fed from the same - Al Sekela 15:00:08 03/21/06 (0)
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