Titan

Name: Titan
Brand: Aion FX
Availability: OnlineOnly

Overdrive

DIY PCB for building a Fulltone OCD clone - the 2005 high-headroom overdrive with configurable version tweaks.

Aion FX from Des Moines, IA has helped guitarists build studio-quality effects since 2011. Their approach to evolving circuits includes switches for exploring different production variations.

The Titan recreates the Fulltone OCD (Obsessive Compulsive Drive), first released in 2005 as a modified Voodoo Labs Overdrive with added features and tweaks. The circuit delivers high-headroom overdrive with more saturation than typical Screamer-based designs. The Aion version makes the most noticeable circuit tweaks from V1.1 through V1.7 configurable via DIP switches, defaulting to V1.7 (approximately 75,000 units manufactured).

The OCD became a modern standard for players seeking overdrive with more grit than transparent designs but more dynamics than compressed distortion. Its unique MOSFET-clipping topology sits between classic overdrive and modern distortion. The Aion version lets builders explore OCD evolution across production runs.

Demo Videos

Specifications

Power9V DC

Current Draw10mA

Polaritycenter-negative

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Aion FX

Titan

Overdrive

DIY PCB for building a Fulltone OCD clone - the 2005 high-headroom overdrive with configurable version tweaks.

Aion FX from Des Moines, IA has helped guitarists build studio-quality effects since 2011. Their approach to evolving circuits includes switches for exploring different production variations.