What tubes does the Sovtek Mig100H use?

The Sovtek Mig100H uses 3x 12AX7 preamp tubes and 4x 5881 power tubes.

When was the Sovtek Mig100H produced?

The Sovtek Mig100H was produced 1992–1999.

Who famously used the Sovtek Mig100H?

Kim Thayil, and Dave Grohl are among the notable players associated with the Sovtek Mig100H.

Sovtek Mig100H preset

Close · 78/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The Sovtek MIG-100H was a 100-watt all-tube head produced in Russia that gained a devoted following in the early 1990s grunge and alternative rock scenes for its aggressive, raw midrange character and its extreme affordability relative to comparable Western tube heads. Its power section, loaded with Soviet-made 6L6 or EL34 variants, produced a thick, saturated tone when driven hard that appealed to players like Dave Grohl and Kim Thayil. The circuit was based loosely on classic British and American topologies but with its own distinctive character shaped by Russian component tolerances and manufacturing conventions. The MIG-100H became an unlikely icon of the grunge era, valued precisely for its rough-edged, unrefined sound.

Years produced: 1992–1999
Made in: Russia
Wattage: 100W
Channels: 2
Preamp tubes: 3x 12AX7
Power tubes: 4x 5881

Known for: Kim Thayil, Dave Grohl.

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.