Ampeg Jupiter 22 B-22X - Channel 1 preset

Verified · 86/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Ampeg Jupiter 22 B-22-X is a two-channel tube combo, each channel with bright and normal inputs. 12AX7 and 6CG7 preamp stages feed a 7199 phase inverter and a push-pull pair of 7027As off a 5AR4 rectifier, with built-in echo (reverb) and vibrato with Ampeg's After-Beat circuit.

• Made in: USA
• Wattage: 35W
• Channels: 2
• Preamp tubes: 4× 12AX7, 1× 6CG7, 1× 7199
• Power tubes: 2× 7027A

Tags: american, vintage, reverb, vibrato, 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.