What tubes does the Airline Wards 62-9021A (Supro S6611) - Normal use?

The Airline Wards 62-9021A (Supro S6611) - Normal uses 12AX7 preamp tubes and 6V6 power tubes.

When was the Airline Wards 62-9021A (Supro S6611) - Normal produced?

The Airline Wards 62-9021A (Supro S6611) - Normal was produced 1962–1967.

Airline Wards 62-9021A (Supro S6611) - Normal preset

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

The Wards 62-9021A (also known as the Supro S6611) is a Valco-built tube combo sold under both the Montgomery Ward Wards/Airline brand and the Supro brand, revealing the OEM relationships common in mid-century American amplifier manufacturing. The shared circuit identity between the Wards and Supro versions makes this amp particularly interesting for historians studying how Valco served multiple retail brands simultaneously. The 6V6-powered circuit produces the warm, slightly loose tone characteristic of Valco's entry-level amplifiers.

Years produced: 1962–1967
Made in: USA
Channels: 1
Preamp tubes: 12AX7
Power tubes: 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.