Blackstar HT-5 (with Power Amp) - Clean preset

Close · 75/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

Full schematic for the Blackstar HT-5 including the power amplifier stage. Documents the complete signal path from input through the ECC83 preamp channels to the output stage in this 5-watt all-tube head.

• Years produced: 2009–present
• Made in: UK
• Wattage: 5W
• Channels: 2
• Preamp tubes: 3× ECC83
• Power tubes: 1× ECC83

Tags: british, low-wattage, two-channel, ecc83.

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.