What tubes does the Peavey HKS 8 - Ch1 use?

The Peavey HKS 8 - Ch1 uses 12AX7 preamp tubes.

When was the Peavey HKS 8 - Ch1 produced?

The Peavey HKS 8 - Ch1 was produced 1970s.

Peavey HKS 8 - Ch1 preset

Verified · 90/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Peavey HKS-8 is a vintage keyboard and studio utility amplifier from Peavey's early product line, designed for keyboard and general instrument amplification rather than guitar.

Years produced: 1970s
Made in: USA
Channels: 1
Preamp tubes: 12AX7

Tags: american, vintage, keyboard.

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.