Valco Supro 1600 preset

Verified · 88/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Supro 1600 was a key model in Valco's Supro brand lineup, a relatively straightforward combo delivering the characteristic Supro tone—bright, present, with natural compression and smooth breakup—that attracted countless blues and rock players. Led Zeppelin's Jimmy Page has cited a Supro amplifier as his primary recording amp on the first Led Zeppelin album, cementing the Supro name in rock history. The 1600 series represents the core of what made Supro amplifiers so musically compelling.

• Years produced: 1961–1968
• Made in: USA
• Channels: 2
• Preamp tubes: 2× 12AX7
• Power tubes: 2× 6L6

Known for: Jimmy Page.

Heard on: Led Zeppelin I — Led Zeppelin (1969).

Tags: american.

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.