What tubes does the Soldano X99 471684 use?

The Soldano X99 471684 uses 5× ECC83 preamp tubes.

When was the Soldano X99 471684 produced?

The Soldano X99 471684 was produced 1992–2000.

Soldano X99 471684 preset

Verified · 80/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Soldano X99 is a three-channel rack-mount tube preamp with full MIDI control. An expanded version of the X88R, it offers three independent ECC83 channel voicings covering clean through extreme high-gain.

Years produced: 1992–2000
Made in: USA
Channels: 3
Preamp tubes: 5× ECC83

Tags: american, boutique, rack, preamp, high-gain, midi.

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.