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| Thread ID: 34310 | 2003-06-09 10:41:00 | OT- Fixing Microphone | somebody (208) | Press F1 |
| Post ID | Timestamp | Content | User | ||
| 151293 | 2003-06-10 05:21:00 | Something appeared to be connected to pin1, but whatever it was it broke off when we ripped the plug thing out. The bottom part fell to bits, so we didn't know which wire went where (not a good sign). A simple test with a multimeter shows that pin2 and pin3 are connected somehow. This doesn't sound too logical, so i'm a bit concerned about it. |
somebody (208) | ||
| 151294 | 2003-06-10 05:23:00 | Thanks wuppo. I'll test the mic out, and see if it works. | somebody (208) | ||
| 151295 | 2003-06-10 05:33:00 | A transformer winding will be across the signal pins :D . | Graham L (2) | ||
| 151296 | 2003-06-10 05:38:00 | > If the manufacturer didn't connect the shell to > anything, I wouldn't. ;-) > > It's common to have a screen connected at one end of > a cable only, because there could easily be "funny" > mains wiring in sound systems. In such cases it's > nicest not to have the metal mic case > connected to the "earth" of one piece of equipment, > when it might be close to the "earth" of another bit > of gear at a different voltage. Even if it's not > lethal, you often get hum. It's normal to only connect the shield at one endd of a cable when the cable connects two earthed devices (e.g mixer to amp) to avoid earth loops. I have to disagree that you wouldn't earth the metal of a microphone - to not do so is inviting hum. :| |
wuppo (41) | ||
| 151297 | 2003-06-10 09:46:00 | Definatly earth the case from pin 1, the only exception to that rule is DI boxes and the like that would connect the earthing on one end of a building to the earthing at the other end via the sound system, which in the worst case scenario can cause unbearable amounts of hum or buzz. .Chris |
Chris (3346) | ||
| 151298 | 2003-06-11 10:17:00 | Thanks to everyone for your help, esp. Wuppo. IT WORKED!!!! | somebody (208) | ||
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