Davoli TH454 - Channel 2 preset

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

The Davoli (Krundaal) TH 454 is a two-channel tube amp with a pair of PL500 TV line-output tubes in push-pull, driven by a PCF80 gain stage and cathodyne inverter. Each channel has its own passive bass/treble network, and it adds tube spring reverb and ECC83-based tremolo with a footswitch.

• Made in: Italy
• Channels: 2
• Preamp tubes: 2× ECC83, 1× PCL86, 1× PCF80
• Power tubes: 2× PL500

Tags: italian, vintage, reverb, tremolo, 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.