Marshall 1962 Bluesbreaker Reissue - High Treble preset

Verified · 90/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

Marshall's 1962 Bluesbreaker reissue, introduced in 1989, recreates the 1960s 2x12 tremolo combo on the JTM45 circuit. Two channels, each with a pair of inputs and its own volume, feed a cascaded ECC83 gain stage and cathode follower into treble, middle and bass. A long-tail inverter with presence drives two 6L6-type valves (5881s from the 1993 revision) off a GZ34 rectifier, and a fourth ECC83 runs footswitchable tremolo.

• Years produced: 1989–present
• Made in: UK
• Wattage: 30W
• Channels: 2
• Preamp tubes: 4× ECC83
• Power tubes: 2× 6L6 (5881)

Tags: british, reissue, tremolo, crunch, two-channel.

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.