Get yourself some summer warmth with a free plug-in. The Softube Saturation Knob is now available as a free download for the AAX format (Native and DSP). Softube was the first plug-in company to make all their plug-ins available on AAX and they’re famous for accurate emulations of vintage hardware from Tube-Tech, Summit, Trident, Tonelux, and more. The Saturation Knob provides smooth, one-knob frequency saturation for just the right amount of tube warmth on any track so check it out – for free.