The Ultimate DIY Microphone than even can record your heartbeat (super low self-noise!)
AudioBlocks link: http://ablocks.co/x/abdiyperks0915
And the Rode NT1-a (for those interested): http://www.amazon.com/gp/product/B002...
In this video I'll be showing you how I made a portable studio microphone that has an extremely low self noise and a wonderful stereo soundscape. -said Matt- The quality of this thing is insane!
Here's the preamp schematic:http://sound.westhost.com/project66.htm
Text and video via DIY Perks