Voxengo Tube Amp:
Tube Amp is an audio effect AU and VST plugin that applies asymmetric tube triode overdrive usually found in single-tube microphone pre-amp boxes. The sound this plug-in produces varies from a mild “warm” overdrive to a fuzzy distortion. Beside that, Tube Amp includes a -6 dB/oct low-pass filter that is built-in into plug-in’s valve modeling equation, and can be used to imitate a lower-quality tube triode.
http://www.voxengo.com/product/tubeamp/
Tube Amp is an audio effect AU and VST plugin that applies asymmetric tube triode overdrive usually found in single-tube microphone pre-amp boxes. The sound this plug-in produces varies from a mild “warm” overdrive to a fuzzy distortion. Beside that, Tube Amp includes a -6 dB/oct low-pass filter that is built-in into plug-in’s valve modeling equation, and can be used to imitate a lower-quality tube triode.
http://www.voxengo.com/product/tubeamp/