What tubes does the Valco 1950 Supro Spectator 510-11 - INST use?

The Valco 1950 Supro Spectator 510-11 - INST uses 1× 12AX7 preamp tubes and 2× 6V6 power tubes.

When was the Valco 1950 Supro Spectator 510-11 - INST produced?

The Valco 1950 Supro Spectator 510-11 - INST was produced 1950.

Valco 1950 Supro Spectator 510-11 - INST preset

Verified · 84/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The 1950 Supro Spectator 510-11 is a landmark Valco design representing the Supro brand's early product lineup, built around the versatile 510 circuit with instrument and microphone channels. The Spectator model name indicates a student-to-intermediate market positioning within the Supro range. This 1950 example captures Valco at the very beginning of what would become one of American amplification's most beloved product lines.

Years produced: 1950
Made in: USA
Wattage: 10W
Channels: 2
Preamp tubes: 1× 12AX7
Power tubes: 2× 6V6

Tags: american, vintage.

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.