Lucas Posted October 19, 2016 Report Share Posted October 19, 2016 I recently stumbled on this DIY electret kit : http://micbooster.com/primo-microphone-capsules/8-primo-em-172-z1.html Out of curiosity I might buy a pair. Maybe the could be usable as plant mics or something alike. Has anyone build one of these already? Quote Link to comment Share on other sites More sharing options...
soundtrane Posted October 19, 2016 Report Share Posted October 19, 2016 there are tons of these kind of mikes. Knowles, Primo are manufacturers of transducers for hearing aids and other industrial use. http://primomic.com/ http://www.knowles.com/eng/Products/Microphones -vin Quote Link to comment Share on other sites More sharing options...
Lucas Posted October 21, 2016 Author Report Share Posted October 21, 2016 I wasn't aware of this before, but it seems like a fun project. Have you had any experience with any of these and did they proof themselves useful? Quote Link to comment Share on other sites More sharing options...
Sprotnik Posted October 21, 2016 Report Share Posted October 21, 2016 I did something similar. I built two capsules (with panasonic transducers, don´t remember the model) with intended low sensibility for an specific use where I had to manage high sound level with lots of peaks. I made it for plugin in a lectro wireless system. they did their job, a take with a close point of view (for sound definition) perfect to mix with the boom. notice that this transducers needs to be powered, I think it´s called "5v plug-in power". Quote Link to comment Share on other sites More sharing options...
Mobilemike Posted October 21, 2016 Report Share Posted October 21, 2016 I made a couple of mics awhile ago with the Panasonic omni capsules and based on this article: http://tapeop.com/tutorials/16/how-build-microphone/ I built them right into the end of an XLR connector. They work fine - it's nice that they're so small. I think they sound similar to a lot of the electret condensers built into recorders such as the Zoom H4n or Tascam DR-100. That is to say, not bad, definitely usable, but not really something I would choose to use if there were other options available. It was a fun project to play with and learn with though! Mike Quote Link to comment Share on other sites More sharing options...
Sprotnik Posted October 22, 2016 Report Share Posted October 22, 2016 10 hours ago, Mobilemike said: I built them right into the end of an XLR connector. No powering? I didn't try that, thougth it wont work. I'm agree, they are like most of the capsules mounted in the devices mentioned. They worked for me in that case. When I did it I thought about how to isolate the capsule in order to put it underwater and listen what happens and how it works. (Never did it already) I had tried it before with a piezo and it didn't work very well. Quote Link to comment Share on other sites More sharing options...
Mobilemike Posted October 22, 2016 Report Share Posted October 22, 2016 4 hours ago, Sprotnik said: No powering? I didn't try that, thougth it wont work. The article I posted above describes building an external battery box powered by a 9V battery. That's what I did and it works well. -Mike Quote Link to comment Share on other sites More sharing options...
Lucas Posted November 28, 2016 Author Report Share Posted November 28, 2016 Just finished my version of right angle XLR. Doing a shoot with F55 and cameraman doesn't want any extras on his rig but I could convince him to plug in this. It is purely used as reference, but the sound exceeded my expectations. Quote Link to comment Share on other sites More sharing options...
mulluysavage Posted December 9, 2016 Report Share Posted December 9, 2016 What did you use for the microphone?Sent from my XT1080 using Tapatalk Quote Link to comment Share on other sites More sharing options...
Lucas Posted December 11, 2016 Author Report Share Posted December 11, 2016 I used the Primo omni as linked in post#1. And build it as described in this link: https://tombenedict.wordpress.com/2016/03/05/diy-microphone-em172-capsule-and-xlr-plug/ Quote Link to comment Share on other sites More sharing options...
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