But then when you turn the Color knob, you add a warmer and more colourful timbre to the signal based on a finely-crafted state variable filtering circuit. But there's more: Simultaneous linear and exponential control as well as specialised AC and DC coupled inputs are provided. A positive gain control makes the dvca1 a true "amplifier," and flexible link modes let you create modulated panning. Features: Two true analogue high-end VCAs Optional colour control based on state variable filter techn