What tubes does the Davoli DTE 1551N use?

The Davoli DTE 1551N uses 3× ECC83 preamp tubes and 4× EL504 power tubes.

When was the Davoli DTE 1551N produced?

The Davoli DTE 1551N was produced 1970–1978.

Davoli DTE 1551N preset

Close · 79/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The Davoli DTE 1551N is a professional tube amplifier from the company's DTE series, using EL504 output tubes in a four-tube configuration for substantial power output. The N-suffix likely denotes a specific version or market variant, and it represents Davoli at the height of their professional product development in the early 1970s.

Years produced: 1970–1978
Made in: Italy
Channels: 2
Preamp tubes: 3× ECC83
Power tubes: 4× EL504

Tags: vintage, crunch.

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.