Question about Sennheiser Evolution G2 100 Series UHF Handheld Microphone System (A) EW135PG2A Microphone

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All four hand held systems failed

We have 4 handheld and 4 lapels of the g2 100 range, in the rack they are set up with two splitters but per splitter we have only 2 hand helds and 2 lapels.

in a performance all 4 of the handhelds stopped working, but all of the lapels continued to work.

both the transmitter and reciever were un-muted, the reciever said they were un-muted but wasn't recieving signal. normally when they are not recieving they say on the reciever they are muted aswell. so they must have been recieving something or they would appear to be mute

we collected all of the handhelds in the middle of the performance and took them off stage to test them. they didnt work for 2 or 3 minutes and then they all came back on again. nobody toutched the recievers and i was the only one speaking into all 4 mics when they suddenly came on all at the same time. the total down time was about 5 mins.

This is really bizzare and has never happened in the 3 years we have had them

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Check out override frecq see if you can change transmit and recieve switch settings ie dip switch sets sombodys overiding your freks

Posted on Apr 24, 2010

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robotek
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SOURCE: all four hand held systems failed during a performance

Hi kb

That is an odd encounter, and most probably one of the R.F.I. kind. Radio Frequency Inference can be caused by many things. Sometimes it can be a nearby piece of equipment creating that much interference, that the mics could not operate. It may have been a spurious mobile radio transmitter as used with two way radio for the cops, ambo's, firies,or even a nearby Cab!! Some times faulty light dimmers can also spray RF.
To what ever end, the fact that 4 mics went down together is indicative of an external problem, and being radio mics, it would have been radio interference.
The only other thing to check is that they are UHF. there are many VHF mic systems still about, but these frequencies are now being used as part of the soon to be introduced digital TV transmission. Best check that they are UHF, The VHF type have actually been illegal for a number of years Hope this info has helped you understand your problem. I am happy to answer any questions you may have. Cheers

regards
robotek

Posted on Dec 17, 2008

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Hi kb

That is an odd encounter, and most probably one of the R.F.I. kind. Radio Frequency Inference can be caused by many things. Sometimes it can be a nearby piece of equipment creating that much interference, that the mics could not operate. It may have been a spurious mobile radio transmitter as used with two way radio for the cops, ambo's, firies,or even a nearby Cab!! Some times faulty light dimmers can also spray RF.
To what ever end, the fact that 4 mics went down together is indicative of an external problem, and being radio mics, it would have been radio interference.
The only other thing to check is that they are UHF. there are many VHF mic systems still about, but these frequencies are now being used as part of the soon to be introduced digital TV transmission. Best check that they are UHF, The VHF type have actually been illegal for a number of years Hope this info has helped you understand your problem. I am happy to answer any questions you may have. Cheers

regards
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