What tubes does the Magnatone 440 - Channel 1 use?

The Magnatone 440 - Channel 1 uses 12AX7, 12AU7 preamp tubes and 6L6 power tubes.

When was the Magnatone 440 - Channel 1 produced?

The Magnatone 440 - Channel 1 was produced 1965–1968.

Magnatone 440 - Channel 1 preset

Verified · 87/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Magnatone 440 is a late-1960s high-power combo representing Magnatone's response to increasing stage volume demands. It retains the brand's pitch-vibrato circuit but shifts toward a more neutral, studio-friendly clean tone. The 440 was built during the brand's twilight years before it ceased original amplifier production.

Years produced: 1965–1968
Made in: USA
Wattage: 50W
Channels: 2
Preamp tubes: 12AX7, 12AU7
Power tubes: 6L6

Tags: american.

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.