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Sennheiser g3/wireless questions


Tambongo

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Hello!

So I have a couple of noobish questions. Im thinking about investing in G3's because of its price. The ME2 lavalier is going to be used as a backup lav, and Im investing in cos-11 or maybe DPA. The other alternative is the Sennheiser 2000, but they are ofc more pricey. The main difference seems to be the frequency bandwith. 2000 have a 75 mhz bandwith, and g3 45 mhz. So, what Im asking, is how much problem a limited bandwith is going to be? I "always" find alot of free frequencies when I scan the various locations here in Norway. How far apart do the frequencies usually have to be, to prevent intermodulation? It doesent seems to bother me much, but on the other hand, I have not been limited to a small bandwith when I used the 2000 before. I guess it also depends on the transmitter power and how far apart the transmitters are?

 

Thanks for your input.

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You can use the RF out with headphone but since it's mono you'll get sound only on the left side. What i did was i bought a small headphone preamp (like this one http://www.amazon.com/TOPPING-NX1-Portable-Earphone-Amplifier/dp/B00HFMNR4M) and made a custom cable to go from the G3 to the preamp. You just need to solder both left and right to the tip (left) of the connector that goes in the G3 and you have a cheap IFB receiver.

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All input factors being equal, I doubt any audible difference in sound under normal dialog conditions between a 100 and 2000.

The audio output on the EK100 portable receiver is very low for HPs. With the receiver's AF out set to max is around -10dB (nominal) and only the left side would be active with standard HPs, so a companion HP amp would be wanted. The EK2000 has a separate HP output.

IMO, EK100 receiver's internal scanner is next to useless in a populated RF environment. I use an external RF scanner when using a G3 in Manhattan (aka, RF hell). Sennheiser's online frequency finder or other RF mapping sites can be useful for avoiding TV broadcast interference in unknown areas... don't know if the Senn. site covers your region though.

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Everything you asked for is found in the following 3 documents ( and the 1 above), and if you need a piece of technology to assist you if your a shooter/producer the fourth link is the suggestion.  (A buyer friend for a  media network hates them, they drop audio on their crew while switching freqs.)

http://en-us.sennheiser.com/global-downloads/file/1888/ewG3_EK2000_Instructionsforuse.pdf

http://www.bhphotovideo.com/explora/audio/tips-and-solutions/purchasing-and-setting-multiple-sennheiser-g3-wireless-microphone-systems

You intermodulation concern * http://en-us.sennheiser.com/global-downloads/file/3059/Sennheiser_Frequency_Charts_02.2013.pdf  

http://en-us.sennheiser.com/avx

As for frequencies, what happens if you get a solid job and you get to travel?   

If your employment is for TV and to be a reliable sound engineer, you will have a broken G3 happen to you.  Have a backup or shell out the extra dough for the 2000.

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As a Sennheiser headsup, Sennheiser will be introducing a new frequency block as of June for their wireless line. It will be known as Block A1 and cover 470-516. Block A covers 516-558, Block G covers 566-608 and Block B is 626-668. As we know the G & B blocks will most likely be gone in the next few years.

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