Application Note: “Microphone Selections for Polycom Vortex Devices” – 01/2006 2
Microphone Selections for Vortex Products

I. Wired (Fixed Location) Microphones

Nearly any microphone will work with the Vortex products. If you don’t already have a particular
microphone in mind, below are some common selections in alphabetical order. If links wrap to the next
sentence and don’t work on a click, cut and paste the link into your internet browser.

ASTATIC 201

http://www.astatic.com/commercial/
Tabletop or ceiling mounted cardioid microphones. The 202 version is omnidirectional.

ASTATIC 901

http://www.astatic.com/commercial/
Tabletop boundary style microphone with cardioid pickup pattern.

AUDIO TECHNICA AT851A

http://www.audio-technica.com (follow links to products page)
Tabletop boundary style microphone with cardioid pickup pattern.

AUDIO TECHNICA AT854R

http://www.audio-technica.com (follow links to products page)
Four independent microphone elements (takes up 4 mic inputs on the Vortex).
BEYERDYNAMIC MPC 22 SW
http://www.beyerdynamic.com/cms/Acoustical_Boundary.59.0.html?&L=1
Table mounted directional microphone. Point towards the talker!
Can be ordered white or black.