Dr. Z MAZ 18 (ZA-8) - Normal preset

Close · 73/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The Dr. Z MAZ 18 is one of the cornerstone models from Dr. Z Amplification, delivering 18 watts of EL84-driven power with exceptional touch sensitivity and musical compression. It has become a boutique standard for players seeking rich, harmonically complex tones that respond intimately to picking dynamics. The MAZ 18 is widely used in Nashville session circles and by touring artists seeking manageable volume with professional tone.

• Years produced: 1999–present
• Made in: USA
• Wattage: 18W
• Channels: 1
• Preamp tubes: 2× 12AX7
• Power tubes: 2× EL84

Known for: Brad Paisley, Joe Walsh.

Tags: american, vintage, crunch.

Schematic-derived preset files for 16 Fractal and Line 6 modelers: Axe-Fx II/XL/XL+, Axe-Fx III, FM3, FM9, and the full Helix family (Floor, LT, Rack, HX Stomp, HX Stomp XL, Native).

Gridleak extracts amp parameters from original circuit schematics using AI vision — component values, gain staging, tone stack topology, tube types — then generates native preset files for every supported modeler. Every extraction is scored 0–100 and the score is published.