Antares WarmAnalog Tube Saturation Emulator Nothing warms up a vocal track (or pretty much any track) like being recorded through a high quality analog tube preamp. Introducing Warm Discover the effect that delivers authentic analog sound in a digital world. Bring Up the Heat Generate the warming effects of classic tube saturation. While optimized for adding warmth to vocals, it sounds just as good on guitar, horns, strings, synth pads, or pretty much anything.