Hartke HA3000 preset

Verified · 84/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Hartke HA3000 is a solid-state bass head built for Hartke by Inter M. Two inputs feed an op-amp preamp with level, a sweepable Shape contour (70 Hz to 1 kHz) with intensity, a four-band EQ (78 Hz, 220 Hz, 770 Hz, 5 kHz), an 18 dB/octave high-pass filter and clip indicator. It has pre- and post-EQ inserts, DI, preamp and line outs, and a discrete power amp rated 300 W into 4 ohms. Clean, tight bass.

• Made in: South Korea
• Wattage: 300W
• Channels: 1

Tags: bass, solid-state, high-wattage, modern.

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.