Acidbox III

The Erica Synths Acidbox III is a formidable tabletop effects unit that brings the legendary sound of the Polivoks VCF to your studio or live setup. This all-analog stereo filter is designed to add immense character, warmth, and, when desired, aggressive grit to any sound source you run through it. Whether you're processing synthesizers, drum machines, guitars, or even entire mixes, the Acidbox III is a creative tool that can transform your sounds with its distinctive and powerful filtering capabilities. Its combination of a classic filter design, a versatile LFO, and an integrated overdrive circuit makes it a must-have for producers of acid, techno, industrial, and any genre that benefits from bold and characterful sound shaping.

The heart of the Acidbox III is its stereo emulation of the iconic Soviet-era Polivoks filter, renowned for its aggressive and screaming resonance. The filter can operate in both low-pass and band-pass modes, and its cutoff frequency can be controlled manually with a large, satisfying knob or modulated by the internal LFO or an external CV source. The LFO offers eight different waveforms and can be synchronized to an external MIDI clock, making it easy to create rhythmic filter patterns that are perfectly in time with your tracks. For adding extra harmonic content, the Acidbox III features a powerful overdrive circuit that can take your sounds from subtle warmth to full-on distortion. It also includes tap tempo functionality for the LFO and a configurable control input that can be set to accept CV, an expression pedal, or a footswitch. With its robust metal enclosure and intuitive layout, the Acidbox III is built to be a reliable and inspiring creative partner.

Features

• Stereo analog filter with Polivoks VCF emulation.
• Switchable low-pass and band-pass filter modes.
• Powerful integrated overdrive circuit.
• Versatile internal LFO with eight selectable waveforms.
• LFO can be synchronized to MIDI clock.
• Tap tempo function for setting the LFO speed.
• Configurable control input for CV, expression pedal, or footswitch.
• Stereo audio inputs and outputs on 1/4" jacks.
• Robust desktop enclosure, perfect for studio and live use.