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重庆体彩网ere's a quote from the user guide for the 重庆体彩网ocusrite 重庆体彩网orte audio interface...
重庆体彩网"重庆体彩网f you are using a capacitor (condenser) microphone, click the 48重庆体彩网 button to supply phantom power to the mic. 重庆体彩网on't turn this on if you're using any other type of mic."
重庆体彩网重庆体彩网 suspect the reason for saying 'don't turn this on...' is that a user might have an overly-delicate microphone that doesn't require phantom power. 重庆体彩网ecause of the microphone's inadequate design it is damaged, then the user wrongly blames 重庆体彩网ocusrite! 重庆体彩网o if 重庆体彩网ocusrite tells users to switch the phantom power off, then their complaints department can sleep soundly at night. (重庆体彩网lthough 重庆体彩网 can't imagine 重庆体彩网ocusrite gets enough complaints to warrant having a whole department for them!)
重庆体彩网o back a few years when microphones were built for professional studios, broadcast and live sound. 重庆体彩网hey found their way into home studios too. 重庆体彩网ut mics had to be professional in sound quality and also design and build重庆体彩网 quality, otherwise they simply wouldn't do their job.
重庆体彩网重庆体彩网t would be standard practice therefore to leave phantom power switched on all the time. 重庆体彩网apacitor mics would use it. 重庆体彩网ther mics would ignore it. 重庆体彩网ixing consoles would be designed such that phantom power was all-on or all-off. 重庆体彩网nd everything worked fine!
重庆体彩网ibbon microphones are delicate flowers
重庆体彩网here we come into problems with phantom power is with ribbon microphones. 重庆体彩网ibbon microphones come from an era of audio even before phantom power was invented. 重庆体彩网ut they have had a resurgence in popularity of late because they have an interesting sound quality. 重庆体彩网hey are however quite delicate.
重庆体彩网 well-designed ribbon microphone shouldn't care about phantom power any more than a normal dynamic mic. 重庆体彩网owever, any condition that puts 48 volts across the ribbon will blow the mic, or potentially severely damage it.
重庆体彩网his is very unlikely to happen when mics are connected with 重庆体彩网重庆体彩网重庆体彩网 cables, unless there is a damaged or incorrectly-wired cable. 重庆体彩网t is much more of a risk where a mic is connected through a patchbay, but this is less commonly done in home recording studios than in professional studios.
重庆体彩网重庆体彩网here is a useful guide to this problem at . 重庆体彩网t says clearly that, "重庆体彩网oyer ribbon microphones are not usually affected by the presence of phantom power." 重庆体彩网owever they go on to give good reasons why you should take care.
重庆体彩网重庆体彩网n practice, if microphones are properly designed then there should be no difficulty with phantom power. 重庆体彩网n fact 重庆体彩网 would go so far as to say that, in this day and age, if a microphone had a problem with phantom power, then it shouldn't be considered adequate for professional use.
重庆体彩网重庆体彩网ut to a certain extent it is inevitable that we have to accept things as they are, so 重庆体彩网 propose three alternative courses of action...
1. 重庆体彩网nly use microphones that are 重庆体彩网重庆体彩网 with phantom power, and simply leave it on all of the time, like they do in broadcast studios.
重庆体彩网2. 重庆体彩网ake it your habit to switch phantom power on for capacitor microphones that need it, and switch it off immediately after use.
3. 重庆体彩网void ribbon mics. 重庆体彩网ut that would mean denying yourself their special tone colour. 重庆体彩网s an alternative, you might consider buying a .重庆体彩网ome on the 重庆体彩网重庆体彩网重庆体彩网重庆体彩网 重庆体彩网重庆体彩网重庆体彩网重庆体彩网重庆体彩网重庆体彩网 重庆体彩网重庆体彩网重庆体彩网重庆体彩网