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The live sound guy
behind AVLifesavers
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Microphone Polar Patterns
for Live Sound Work

No article on mic polar patterns would be complete without these 3 young ladies...

Cardioid - Picks up mostly what is in front of it, but more of the sides than most of us want to think about. If you're doing live sound, most mics will be cardioid like the trusty SM58 shown.

Supercardioid - Tighter in front, but don't forget that nasty lobe in the back! Especially for placement near a wedge monitor, be sure to face the wedge slightly off to the side, not directly in back of the mic. Hypercardioid is similar to supercardioid, but the lobes are slightly different. The mighty Beta 87 is a supercardioid.

Omni - Should pick up uniformly all around. Pray you never run into them in live sound work. I've worked for video guys who have no idea about audio/mics/polar patterns and order omni lav mics. Trying to explain to them why you can't get enough gain before feedback results in "deer in the headlights" looks.

How to tell? Super/regular cardiods always have vents in the back to create their patterns, an omni has no vents.

The young lady on the left is covering the vents on her mic with her hand, effectively turning her directional mic into an omni, and making life difficult for the person doing foh.

The other 2 two are making it much worse!

Cardioid
Supercardioid
Omni


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.

Click to Read more...

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