What tubes does the Airline Wards GVC-9058A - Channel 1 use?

The Airline Wards GVC-9058A - Channel 1 uses 12AX7 preamp tubes and 6V6 power tubes.

When was the Airline Wards GVC-9058A - Channel 1 produced?

The Airline Wards GVC-9058A - Channel 1 was produced 1964–1970.

Airline Wards GVC-9058A - Channel 1 preset

Close · 74/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The Wards GVC-9058A is the Wards-labeled counterpart to the Airline GVC-9058A, a two-channel tremolo-equipped tube combo from Valco's mid-to-late 1960s production. The shared circuit between Wards and Airline branded versions confirms the common Valco origin while illustrating the breadth of Montgomery Ward's retail amplifier marketing strategy. The GVC-9058A delivers the warm, characterful tube tone that has made these budget American instruments increasingly popular among vintage enthusiasts.

Years produced: 1964–1970
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.