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Originally Posted by jimbriz
My fishman Artist supplies 24 volt phantom power but it seems like everything requires 48 volts. So what is thier reasoning.
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The official industry accepted balanced phantom standard, adopted in 1973 as IEC 268-15/DIN 45596, has changed over the years. Basically it allows a range of voltage between 9v and 52v at a current up to 10 milliwatts. Some microphones actually require a full 48v, but there are not that many that have this requirement. Many, work between 9v and 52v with only a few milliamps current.
More recently, 12v and 24v balanced phantom powers have been proposed as additional standards, but I'm not sure if they have ever been entirely adopted by the industry.