Audified STA Phaser v1.5.1 Win WiN MAC OSX-R2R | WiN: 15.85 MB | MAC: 9.34 MB This effect is comprised of an emulation of analog phaser effect and Summing Tube Amplifier (STA) which mixes the wet and dry signal as well as it adds a nonlinear distortion resulting in more vintage sound. Primarily, this effect is designed to be used as an insert effect to fully exploit the summing circuit.