Wards Airline GDR-8514A / GDR-8515A preset

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

Wards Airline amplifiers were budget-priced American tube combos sold through Montgomery Ward department stores, often built by Valco or other contract manufacturers. The GDR-8514A and 8515A were entry-level models delivering simple clean tones for beginners and hobbyists.

• Years produced: 1963–1968
• Made in: USA
• Channels: 2
• Preamp tubes: 2× 12AX7
• Power tubes: 2× 6V6

Tags: american, vintage, clean.

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.