Sunday, September 28, 2008

Low noise mic preamp

After purchasing a couple of Berhinger studio mics and valve preamps and doing some recordings of live choirs etc. I decided I wanted something more portable. I bought a Sony ECM-MS957 but required a portable preamp. This is the ESP low noise two transistor preamp. Though it is quite large it has a 12V battery supply and uses large 10uf polypropylene caps throughout. All silver wire and quality components were used. Two attenuators allow separate channel level control. I use a Cowon Audio6 mp3 player with a line input connection for recording direct to digital at 128kps. The whole mini-recording desk runs on batteries and even after four hours of recording barely effected battery level.

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