Power Requirements. They wanted to borrow my Shure SM7b to try out and turned phantom power on!! I didn't think to check if they had it on or off being a studio but later in the session found that it was on for and hour or so!! Most modern mixers provide phantom power. ! The AT2020 is a condenser microphone, has a frequency response of 20Hz to 20kHz, and it’s designed for studio use, mainly recording vocals. Being a dynamic mic, the SM57 does not need phantom power. Although it shouldn’t damage it, it’s advisable to have phantom power switched off when using this mic. On the other hand, dynamic mics—the ubiquitous Shure SM57 and SM58 mics, for example—do not require power. I checked my and all seemed to be working but I'm a little paranoid now!! The Shure SM57 is a Dynamic microphone that has a frequency response of 40Hz to 15kHz and it’s designed to record instruments and to be used on a live setting. You must use a balanced microphone cable: XLR-to-XLR or XLR-to-TRS. Shure SM57 vs Audio-Technica AT2020. This insures high gain-before-feedback, maximum isolation from other sound sources, and minimum off–axis tone coloration. The Shure SM57 is no different. However, it will operate with slightly decreased headroom and sensitivity with supplies as low as 11 Vdc. Whichever you choose, all of these options will do a great job of giving your SM57 the additional is gain it requires. Frequently Asked Questions Does a Shure SM57 need phantom power? The Shure BETA®57A is a high output supercardioid dynamic microphone designed for professional sound reinforcement and project studio recording. It maintains a true supercardioid pattern throughout its frequency range. From the famed Elvis mic to the beloved SE215 in-ear monitors, the company understands that audio quality and durability are top priorities. Phantom power puts the PLUS 48 volts on BOTH pin 2 and 3 and the Negative is … Re: Phantom Power through a Shure BUT The Mod to remove the transformer did reduce the output level by about 10db. This tapered capsular microphone is favored by musicians of all genres for capturing midrange instruments. Phantom power is a way to provide power to microphones—that need electricity to operate, but that don’t have a dedicated AC power source. This microphone requires phantom power and performs best with a 48 Vdc supply (IEC-61938). The transformer is not what protects the mic capsule from phantom power, it is how the phantom power is wired up, SO if you have a mis wired mic cable then you could possibly have cooked the capsule. Shure sets the industry standard when it comes to professional recording equipment. Has anyone damaged their SM7b by turning phantom power on?? Additionally, because of the way the power flows through the pins of an XLR cord, a normally working mic and cable will not result in a dynamic mic being damaged by having phantom power turned on.