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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: Questions about modding Maggies posted by NWBGN on February 9, 2007 at 17:22:31:
It is important for safety to discharge the capacitors used as filters in equipment power supplies, as these have lethal voltages on them during operation and may not have an internal discharge path in the equipment circuit. To do this, connect a 10K resistor, 2 watts or larger, across the capacitor terminals WITHOUT TOUCHING THEM with your fingers, and wait a few seconds. External metal objects may be attached to AC ground or not, but they are not attached to the capacitors in the power supplies. You have to attach the resistor to both terminals of the capacitor.However, the capacitors in speaker crossovers do not see DC voltage in normal operation, so they do not build up a charge. If your amp is putting out DC, then there is something wrong with it and your speakers are likely to be damaged. As long as everything was operating normally before you started, you do not need to worry about charge stored on the speaker capacitors.
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Follow Ups
- The speaker capacitors should have zero charge on them. - Al Sekela 10:52:06 02/10/07 (0)
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