What tubes does the Wards Airline GDR-8517A use?

The Wards Airline GDR-8517A uses 2× 12AX7 preamp tubes and 2× 6V6 power tubes.

When was the Wards Airline GDR-8517A produced?

The Wards Airline GDR-8517A was produced 1963–1968.

Wards Airline GDR-8517A preset

Verified · 85/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Wards Airline GDR-8517A was a slightly larger or enhanced variant in the Airline budget tube combo line sold through Montgomery Ward. Built to an economical specification, it provided basic amplification for the growing 1960s American guitar market.

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.