What tubes does the Magnatone Custom 415 use?

The Magnatone Custom 415 uses 1× 6EU7, 1× 12AU7A preamp tubes and 2× 6973 power tubes.

When was the Magnatone Custom 415 produced?

The Magnatone Custom 415 was produced 1961–1963.

Magnatone Custom 415 preset

verified · 90/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Magnatone Custom 415, from around 1962, is a simple single-channel tube combo with Volume and Tone. Two inputs feed a 6EU7 that gives two gain stages, then a 12AU7A provides a further stage and a split-load phase inverter feeding a fixed-bias push-pull pair of 6973 output tubes with negative feedback, on a 6CA4/EZ81 rectifier. This chassis has no vibrato circuit, and gives a straightforward clean with mild breakup when pushed.

Years produced: 1961–1963
Made in: USA
Wattage: 18W
Channels: 1
Preamp tubes: 1× 6EU7, 1× 12AU7A
Power tubes: 2× 6973

Tags: american, vintage, clean.

Schematic-derived preset files for the Neural DSP Quad Cortex and 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.