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Condensor or Dynamic?

I've been getting questions relating to this lately. Condensor mics need power to operate, supplied by phantom power down the mic cable, or by a battery inside the mic. Examples are the Shure Beta 87 (1st photo) & a Wand Type Mic used on podiums. The last two photos show an Audio Technica ATM11 that uses a single AA Battery.

For phantom mics, make sure your mixer supplies it (the vast majority do now) and it is switched on. The sort of defacto standard is 48 volts, but voltages supplied can run the gamut from 9 volts on up. Only P48 mics need the full 48 volts, so if it still isn't working, read up on it's voltage needs.

Dynamic mics like the legendary SM58 in the center photo don't need any power at all. Just a coil of wire surrounding a magnet. It will have a lower output than a condensor, so crank up the gain a little higher.


About the Owner
photo of Lonnie Bedell of AVlifesavers.com My name is Lonnie Bedell, and I'm the guy behind AVLifesavers. Unlike big companies, I've been doing actual live sound work since 1995, and live recordings since 1985.
It's that kind of real world experience that I feel makes AVLifesavers stand out. It's one thing to examine problems theoretically, it's a whole different thing to deal with frantic last minute changes from an inexperienced client who wants it done yesterday.

Been there, done that, so I've designed products to solve live sound problem fast.

All products are assembled right here in the USA. Living Wages to American workers is and will always be part of the fabric here, despite the temptations.

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