What tubes does the Diezel VHX - Lead use?

The Diezel VHX - Lead uses 5× 12AX7 preamp tubes and 4× EL34 power tubes.

When was the Diezel VHX - Lead produced?

The Diezel VHX - Lead was produced 2018–present.

Diezel VHX - Lead preset

Close · 60/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The Diezel VHX is a modern evolution of the legendary VH4, incorporating built-in digital effects, MIDI control, and a USB audio interface while retaining the all-tube analog signal path that defines the Diezel character. It bridges the gap between traditional boutique amp design and the demands of modern players, offering four channels of classic Diezel tone with the convenience of onboard processing. The VHX represents Diezel's forward-looking approach to keeping the VH4 legacy relevant in contemporary rigs.

Years produced: 2018–present
Made in: Germany
Wattage: 100W
Channels: 4
Preamp tubes: 5× 12AX7
Power tubes: 4× EL34

Tags: german, high-gain, modern.

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.