AAY-Audio has released aTube, a VST audio plug-in module which processes a signal like the analog valve equipment.
This give you possibility achieve a valve warming effect in your digital audio workstation.
AAY-Audio aTube can be applied both to the complete mix and to the individual tracks and especially good for the vocal tracks. You have several parameters at your disposal that allow you to control the level of input gain, the level and the color of the warming effect and on/off button of the output soft clip limiter.
aTube is available as a VST effect plug-in for Windows PC for $19.99 USD. A demo can be downloaded from the product page.
Visit AAY-Audio for more information.