Blackheart Little Giant BH5 preset

verified · 91/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Little Giant BH5 is a 5-watt single-ended head from Blackheart. One 12AX7 feeds a Fender-style treble/mid/bass stack and a cathode-biased EL84 in class A, with a pentode/triode switch and no global feedback. It was an early budget route to cranked tube tone at home volume.

• Made in: China
• Wattage: 5W
• Channels: 1
• Preamp tubes: 1× 12AX7
• Power tubes: 1× EL84

Tags: american, el84, class-a, low-wattage, crunch.

Schematic-derived preset files for the Neural DSP Quad Cortex and 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.