What tubes does the Davoli Show-2/B Preamplifier - Tremolo use?

The Davoli Show-2/B Preamplifier - Tremolo uses 3× ECC83 preamp tubes.

When was the Davoli Show-2/B Preamplifier - Tremolo produced?

The Davoli Show-2/B Preamplifier - Tremolo was produced 1969–1977.

Davoli Show-2/B Preamplifier - Tremolo preset

Close · 72/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The Davoli Show-2/B Preamplifier is a revised variant of the Show II preamp, with the B suffix indicating a modified circuit or updated component specification. It served as the front-end for Davoli's Show series power units and is representative of the iterative product development common at Italian amplifier manufacturers of the era.

Years produced: 1969–1977
Made in: Italy
Channels: 2
Preamp tubes: 3× ECC83

Tags: vintage.

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.