Analysis of information sources in references of the Wikipedia article "Phantom power" in Portuguese language version.
This Indian Standard which is identical with lEC 61938 (1996) ... Although 12-volt and 48-volt systems are still in use, 24-volt systems are preferred for new developments.
Sending Phantom Power to an old (prior to 1970 design) ribbon microphone without an isolating transformer, while using a bad cable, which has the ground (pin 1) shorted to pin 2 or pin 3 of the XLR. This is the one classic example why everybody says - do not send phantom power to ribbon microphones, but the chances of this "perfect storm" to happen are really not that big.
