The Moog Music 500 Series The Ladder Filter Processor is a Dynamic Transistor Ladder Filter that is based on Moog's original ladder filter designs. Don't be fooled by its small size, the 500 Series Ladder is a powerful and fantastic sound sculpting tool that allows for creative and unique sound shifting and shaping. By design, the Moog Ladder sports the smoothest all analog Low Pass and High Pass filter section.
Adjust the Cutoff knob to add vibe, warmth or tonal adjustment. Choose LP to add analog warmth to a sound or select HP for sweetening the heft of a sound. The Moog Ladder Filter will smooth out the harshest of tracks and add warmth and body to any sound. The Ladder Filter audio processor excites dull or lifeless tracks, and has the power to shape sound in a way that is excitingly unique.
That thing is endlessly deep. You could use it on about every instrument to make it more interesting or give it its own character. I could play with it for days. Michael Wagener.Moog Music 500 Series The Ladder Filter Processor