What tubes does the Hughes & Kettner Hk Triplex use?

The Hughes & Kettner Hk Triplex uses 4x ECC83 preamp tubes and 4x EL34 power tubes.

When was the Hughes & Kettner Hk Triplex produced?

The Hughes & Kettner Hk Triplex was produced 1997–2003.

Hughes & Kettner Hk Triplex preset

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

The Hughes & Kettner Triplex is a three-channel tube combo sharing DNA with the TriAmp but in a more compact and affordable package. It offers clean, crunch, and lead channels with separate EQ sections and a tube-driven spring reverb. The Triplex appeals to players wanting TriAmp-style flexibility in a giggable combo format.

Years produced: 1997–2003
Made in: Germany
Wattage: 60W
Channels: 3
Preamp tubes: 4x ECC83
Power tubes: 4x EL34

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.