casino_man_dan Posted August 22, 2016 Share Posted August 22, 2016 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? Link to comment Share on other sites More sharing options...
paulears Posted August 22, 2016 Share Posted August 22, 2016 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. Link to comment Share on other sites More sharing options...
casino_man_dan Posted August 22, 2016 Author Share Posted August 22, 2016 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 Link to comment Share on other sites More sharing options...
paulears Posted August 22, 2016 Share Posted August 22, 2016 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 Link to comment Share on other sites More sharing options...
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