What tubes does the Magnatone T-22 use?

The Magnatone T-22 uses 1× 12DW7, 1× 7025 preamp tubes and 1× 6GU8 power tubes.

When was the Magnatone T-22 produced?

The Magnatone T-22 was produced 1967.

Magnatone T-22 preset

verified · 88/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Magnatone T-22 is a small 1967 combo from the Estey Musical Instrument years, when production had moved to Harmony, Pennsylvania. Three inputs feed a 12DW7/7247 gain stage with Volume and Tone, then half a 7025 is the phase inverter and the other half a tremolo oscillator with Speed, Intensity and footswitch. A single 6GU8/ELL80 dual pentode forms the push-pull output into a 12-inch speaker.

Years produced: 1967
Made in: USA
Wattage: 10W
Channels: 1
Preamp tubes: 1× 12DW7, 1× 7025
Power tubes: 1× 6GU8

Tags: american, vintage.

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.