What tubes does the Magnatone 480 Stereo - Channel 1 use?

The Magnatone 480 Stereo - Channel 1 uses 2× 6EU7, 1× 12DW7, 1× 6CG7, 1× 12BH7, 2× 12AU7, 1× 6DR7 preamp tubes and 4× 6973 power tubes.

When was the Magnatone 480 Stereo - Channel 1 produced?

The Magnatone 480 Stereo - Channel 1 was produced 1961–1963.

Magnatone 480 Stereo - Channel 1 preset

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

The Magnatone 480 is the Estey-era stereo flagship, built around Magnatone's patented varistor pitch vibrato. Two channels, each with high- and low-gain inputs on a 6EU7 and their own Treble, Bass and Volume, plus Mellow and Bright switches, feed two 6CG7 varistor sections with a 12DW7 oscillator and a 12BH7 Stereo/Normal stage. A 6DR7 drives spring reverb, and two 12AU7 inverters run two push-pull pairs of 6973s into two output transformers.

Years produced: 1961–1963
Made in: USA
Channels: 2
Preamp tubes: 2× 6EU7, 1× 12DW7, 1× 6CG7, 1× 12BH7, 2× 12AU7, 1× 6DR7
Power tubes: 4× 6973

Tags: american, vintage, vibrato, reverb, stereo, clean, two-channel.

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.