Shure, Sennheiser, Audio Technica in fact all manufacturers have one component of their wireless system that cannot be taken for granted. The antennas. As a rule never just use the antennas attached to the back, or front of the unit, here’s why.
I was recently at an event where the client wanted an absolute clean stage look for their business presentation.
The stage was only 20ft x 16ft x 18in high, and so we had to move the usual wireless antennas to the back of the room by FOH.
However using the usual microphone stand to put the antennas on wasn’t working so well, as there were pillars in the room and also there were a number of times where the audience were up on their feet, almost effectively blocking line of site of the transmitter to antennas.
We came up with a very simple solution – to use a lightweight lighting stand that wasn’t being used to get the antennas over 9ft high and resolve all the problems.
What would have been great to have would be the HA-8089 PWS Helical Antenna Wideband UHF. You can use this for distribution systems, IEM’s, etc.
By now everyone should know about the regulation changes in Feb 2009, and the wireless frequencies that were sold off.
All the manufacturers have posted information about the changes that were made and they also produce info on what frequencies work in different cities.
Here is a list of popular Wireless manufacturers frequency charts to help you with frequencies in each city.
For Shure mics: http://www.shure.com/proaudio/techlibrary/wirelessfrequencyfinder/index.htm
For Sennheiser mics: http://www.sennheiserusa.com/findfrequency/
For Audio Technica: http://ff.audiotechnica.com/cgi-bin/tvfreqcheck/tvfreqcheck.cgi
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