Fulltone Full-Drive 3 - USA

Here is a Fulltone FD3 overdrive pedal, a highly advanced boutique drive unit designed to deliver exceptional tube-like response, dynamic control, and tonal flexibility in a single compact format. Building on Fulltone’s reputation for high-quality analogue design, the FD3 stands out for its dual-channel architecture and JFET-based circuitry that closely emulates the feel and harmonic behaviour of a valve amplifier.

This example features a JFET input stage paired with a JFET op-amp design, resulting in an exceptionally natural and amp-like response with high input impedance, making it highly compatible with all pickup types. This ensures strong interaction with guitar volume controls and excellent dynamic sensitivity. A 3-way clipping toggle switch offers multiple tonal voicings: “90’s” mode provides symmetrical clipping with focused midrange presence; “Wide Asym” introduces a more open response with enhanced highs and lows and chime-like harmonic complexity; while “Comp-Cut” removes diode clipping entirely for a raw, op-amp-driven tone with increased output and aggressive clarity ideal for pushing an amplifier.

This example also features fully independent OVERDRIVE and BOOST channels, with a routing toggle allowing the boost section to be placed before or after the overdrive stage for flexible gain stacking. The boost circuit itself is a transparent, high-headroom JFET-based design, ensuring clarity and punch without coloration. From serial number 2548 onward, the FD3 uses a high-quality buffered bypass system designed to preserve signal integrity over long cable runs while maintaining the feel and frequency response of a connected amplifier, avoiding the thinness associated with basic buffering systems.

Additional control is provided via the DYNAMICS knob, which employs a Fulltone-exclusive germanium diode limiter circuit to shape attack response, smooth transient peaks, and enhance overall harmonic richness. This results in a more responsive, “juicy” playing feel and a refined top-end character that interacts naturally with different amplifiers and playing styles.

Condition is excellent with everything fully functional and working as intended. A powerful, studio-grade overdrive and boost system offering exceptional tonal range, responsiveness, and professional-level flexibility.

Specifications: 

Type: Compact dual-channel audio processing unit
Channels: 2
Input Impedance: 1.1 mega-ohms
Output Impedance: 180 ohms
Power Consumption: Max 13 mA (both channels on)
Construction: Compact pedal-format housing
Dimensions: 5.17" W × 4.26" D × 2.36" H
Weight: 1 lb 7 oz
Accessories: Original box included