What tubes does the Magnatone 108 use?

The Magnatone 108 uses 1× 12AX7 preamp tubes and 1× 6V6 power tubes.

When was the Magnatone 108 produced?

The Magnatone 108 was produced 1954–1959.

Magnatone 108 preset

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

The Magnatone 108 is a small student amp from Magna Electronics of Inglewood, California, with a 12AX7 preamp, a single-ended 6V6GT output tube and a 5Y3 rectifier. It has one volume and one tone control. It gives a warm, simple clean tone that breaks up gently at full volume.

Years produced: 1954–1959
Made in: USA
Wattage: 5W
Channels: 1
Preamp tubes: 1× 12AX7
Power tubes: 1× 6V6

Tags: american, vintage, 6v6, low-wattage, practice.

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.