What tubes does the Egnater Tweaker 88 Pre use?

The Egnater Tweaker 88 Pre uses 4× 12AX7 preamp tubes and 4× EL34 power tubes.

When was the Egnater Tweaker 88 Pre produced?

The Egnater Tweaker 88 Pre was produced 2010s.

Egnater Tweaker 88 Pre preset

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

The Egnater Tweaker 88 is an 88-watt all-tube head expanding the Tweaker series to full professional stage power with multiple voicing options for tonal versatility. This preamp schematic documents the input and tone-shaping stages of this powerful boutique design.

Years produced: 2010s
Made in: USA
Wattage: 88W
Channels: 2
Preamp tubes: 4× 12AX7
Power tubes: 4× EL34

Tags: american, modern, crunch, clean, high-gain.

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.