48 V ‘phantom’ powering has become the standard for professional condenser microphones. The supply (or rather bias) voltage is applied over both wires of the balanced screened cable via two 6k8 ...
The electret microphone capsule is similar to those commonly used in telephones, cassette recorders, and computers. The element functions as a capacitor with a fixed trapped charge. Sound pressure ...
I'm running Ubuntu Studio (just upgraded to 14.10) with a Presonus AudioBox 2x2 USB audio interface. For Christmas I got myself a new MXL 990s condenser mic (60% off, sweet!), but when I plug it in ...