Abstract Data specializes in the design, manufacture and sale of unique analog musical instruments and effects.

It is independently owned and operated by me - founder and chief noise maker - Justin Owen, from its headquarters in London, UK.

On this site, you can buy current builds, find out about past projects and get the latest on future designs.

For more info - check out the links in the bottom right-hand corner or contact me directly via this web site.

ADE-20: Multi-Mode Filter

On Sale Now

2 Pole, 12dB Multi-Mode Voltage Controlled Filter

Simultaneous Low, High, Band and All-Pass Outputs

Feedback Insert and Resonance to Self-Oscillation

Complete CV control and dedicated CV Attenuators

All analog design based around discrete OTAs

Vintage sound with a modern feature set

Built in Power Supply protection

Low-profile design mounts in most racks