Hello, I need your help...
I have bought a pair of AT831 to replace my poor quality sony microphone. I have built a battery box to use them with my pcm-m1. I did some recordings last week-end, and it didn't work fine. I have recorded two concerts, one with a guitar and a voice in a small place and it sounds fine but the other recording it was a rock band: Bass, guitar, drum and vocals, and the result was of bad quality sound, with distortion. I know that it doesn't come from the DAT recorder but from the Battery Box, maybe the voltage is not enough to supply microphone (5V) or the capacitor is to small to cut off sub bass. The microphone should be able to withstand level is 140 db at 1khz as noticed there
http://www.audio-technica.com/prodpro/profiles/AT831R.htmlso I does not understand why it doesn't work.
Here is the shematic of what I have built :
http://tris19792.free.fr/AT831%20Battery%20BOX.pdfHere is a shematic of the way to supply the microphone from Audio technica website:
http://tris19792.free.fr/AT831%20WiringInfo.pdfI will try to change the value of the resistors and from the capacitor, but if any of you has some ideas, your welcome.
tristan1979@wanadoo.frRegards.
Tristan.
Sorry for my english, I'm french....