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Sound Reinforcement - Forums for Live Sound Professionals - Your Displayed Name Must Be Your Real Full Name To Post In The Live Sound Forums => Wireless and Communications => Topic started by: Bob Faulkner on March 10, 2017, 08:12:59 pm

Title: Do antennas need to be "exercised"?
Post by: Bob Faulkner on March 10, 2017, 08:12:59 pm
So, I picked up a couple of the Sennheiser EW100 G3 wireless mic/receiver sets.  Also, I picked up the add-ons that bring the antennas to the front of the rack.

When attaching (and removing) the antennas -- to/from the BNC connectors -- the antennas are very tight.  So tight, I can't spin the antennas to move them out of the way so they can flipped up "correctly" in the rack.

Any suggestions on how to loosen the antennas?  Seems like they need a little oil on them (though, I don't think this would be wise!)  Do they need to be exercised?
Title: Re: Do antennas need to be "exercised"?
Post by: Keith Broughton on March 11, 2017, 06:24:02 am
So, I picked up a couple of the Sennheiser EW100 G3 wireless mic/receiver sets.  Also, I picked up the add-ons that bring the antennas to the front of the rack.

When attaching (and removing) the antennas -- to/from the BNC connectors -- the antennas are very tight.  So tight, I can't spin the antennas to move them out of the way so they can flipped up "correctly" in the rack.

Any suggestions on how to loosen the antennas?  Seems like they need a little oil on them (though, I don't think this would be wise!)  Do they need to be exercised?
Antenna sometimes need to be exorcised as they can be possessed by RF demons that cause drop outs and audio problems.
Sorry...I couldn't resist. ;D ;D
Title: Re: Do antennas need to be "exercised"?
Post by: Bob Faulkner on March 12, 2017, 04:51:20 pm
Yeah -- i know!  I walked right into this one!

Any thoughts?  Would it be safe to put a light film of silicone (spray) around the connecting areas?

I'm trying to avoid using tools to take the antennas off and on.

Title: Re: Do antennas need to be "exercised"?
Post by: Keith Broughton on March 13, 2017, 07:00:19 am
Yeah -- i know!  I walked right into this one!

Any thoughts?  Would it be safe to put a light film of silicone (spray) around the connecting areas?

I'm trying to avoid using tools to take the antennas off and on.
I don't think a light lubrication would hurt the RF performance.
Title: Re: Do antennas need to be "exercised"?
Post by: Karl Winkler on March 14, 2017, 11:07:24 am
I don't think a light lubrication would hurt the RF performance.

I wouldn't put anything on them that might act as a dielectric... If you MUST put something on them, use silver conductive grease, perhaps a tiny amount. Make sure that it does not get anywhere but the outside of the female connector.

Usually they loosen up with a little use - I would just count on that after a few weeks/months.
Title: Re: Do antennas need to be "exercised"?
Post by: James A. Griffin on April 20, 2017, 11:25:41 am
My EW100 antennae nearly always need to be tightened, never loosened.   Wondering what you're doing right - or wrong, depending on POV