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Instrument mics for Sennheiser G3 EW wireless


casino_man_dan

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Does anyone know of any miniature mics that work with the sennheiser systems? I know they do the 908 EW for wind instruments which comes on the mini jack connection but I was hoping to find something for strings.

 

 

I guess the problem is these instrument mics require phantom power which the beltpacks don't provide (?). But I notice that many of the mics out there do work with AKG and Shure systems which makes me wonder how they can do it and the sennheisers don't.

 

 

Am I missing something? Maybe there are some dynamic mics instead that would be suited?

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They don't use phantom power, that's a great system for powering over standard XLR cables, but the radio mic and video industry use a simpler system - 5V or so superimposed on the audio line, or supplied on a separate conductor. It's usually a case of selecting the hot power version of the microphone - after all, electret types are permanently polarised, so simply need enough volts to run the preamp at the far end. For as lonfg as I can remember the net has had loads of connection diagrams so you can attach say a Sennheiser mic to a Shure pack, or DPA to a Sennheiser pack etc etc. Often a case of joining two wires, or ignoring one, or swapping them when you solder on the connector. Sennheiser do do a plug on transmitter that does have 48V phantom for people wanting to use their favourite condenser with 3 Pin XLR. As the 3 circuit 3.5mm is a popular connector, you can get locking ones too. Have a look for sax and brass mics - many of those have alternate clamps for fitting to strings, although lots of people use ordinary lav types, and attach them to the bridge or tailpiece with commercial or home-brew gadgets.
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They don't use phantom power, that's a great system for powering over standard XLR cables, but the radio mic and video industry use a simpler system - 5V or so superimposed on the audio line, or supplied on a separate conductor. It's usually a case of selecting the hot power version of the microphone - after all, electret types are permanently polarised, so simply need enough volts to run the preamp at the far end. For as lonfg as I can remember the net has had loads of connection diagrams so you can attach say a Sennheiser mic to a Shure pack, or DPA to a Sennheiser pack etc etc. Often a case of joining two wires, or ignoring one, or swapping them when you solder on the connector. Sennheiser do do a plug on transmitter that does have 48V phantom for people wanting to use their favourite condenser with 3 Pin XLR. As the 3 circuit 3.5mm is a popular connector, you can get locking ones too. Have a look for sax and brass mics - many of those have alternate clamps for fitting to strings, although lots of people use ordinary lav types, and attach them to the bridge or tailpiece with commercial or home-brew gadgets.

 

 

Thanks for that - I didn't realise. Think I was getting confused as all the specs always specified 48v phantom power. So any permanently polarised electret mics can in theory work assuming I can modify the wiring to a 3.5mm jack?

 

I've seen a few clever clips for hooking gooseneck mics to the bridge part of the strings so that's the easy bit. I'll look into now

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Not any - but ones that are designed for radio systems are all usually ok once you know the wiring they use. Most electrets intended for general use are 3 pin types - so no use, but the spec is key - they're not common or cheap,but most manufacturers do them. Have a look at the radio system variants as they often give the clues you need as to which are which.

 

This link is to a budget end product that's typical.

thomann

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