What tubes does the Airline Wards Airline GDR-9012A - Normal use?

The Airline Wards Airline GDR-9012A - Normal uses 12AX7 preamp tubes and 6V6 power tubes.

When was the Airline Wards Airline GDR-9012A - Normal produced?

The Airline Wards Airline GDR-9012A - Normal was produced 1962–1968.

Airline Wards Airline GDR-9012A - Normal preset

Verified · 89/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Wards Airline GDR-9012A is a reverb-equipped tube combo from the Airline brand's GDR series, sold through Montgomery Ward and built by Valco. Like all Valco-manufactured Airline amps, the GDR-9012A offers the characteristically warm, slightly rough tube tone that has made these budget instruments appealing to blues and roots players. The spring reverb circuit adds ambience that elevates the playing experience beyond what the basic price point might suggest.

Years produced: 1962–1968
Made in: USA
Channels: 2
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.