• 50-watt valve amplifier head for electric guitar
• Faithful reissue of the Sovtek MIG-50 from the 1990s
• Two channels with separate inputs and volume controls
• Normal channel for classic basic sounds
• Bright channel with a treble-rich tone
• Shared 3-band tone control with Treble, Middle and Bass
• Presence control for adjusting the upper frequency range
• Three 12AX7 preamp valves (1x Mullard 12AX7 and 2x Tung-Sol 12AX7)
• Two Sovtek 5881WXT power amp tubes
• Externally accessible bias adjustment
• Separate 6.3 mm speaker outputs for 4, 8 and 16 ohms
• Dimensions (W x D x H): 610 x 356 x 356 mm
• Made in the USA

The Electro Harmonix MIG-50 is a classically designed 50-watt valve head based on the original Sovtek MIG-50. Sonically, the amp delivers an open tube sound with powerful harmonics, reminiscent of classic Tweed amps. Electro Harmonix has designed this reissue to be as faithful as possible to the original circuit design, whilst incorporating modern adaptations to ensure reliable operation. Featuring one Mullard 12AX7, two Tung-Sol 12AX7 preamp tubes and one Sovtek 5881WXT power tube, this 50-watt head delivers plenty of power for any gig. The MIG-50 is hand-built at the EHX factory in New York.

Two separate inputs, each with its own volume control, are provided for different sounds. Channel I delivers the amplifier’s standard basic character, whilst Channel II offers a brighter tone with more treble. The shared tone control comprises Treble, Middle and Bass, as well as an additional Presence control for adjusting the upper frequency range. The preamp section utilises one Mullard 12AX7 and two Tung-Sol 12AX7 valves, whilst two Sovtek 5881WXT valves form the 50-watt valve power amp.

On the rear panel, the Electro Harmonix MIG-50 features separate speaker terminals for 4, 8 and 16 ohms, allowing different cabinets to be connected without the need for additional impedance matching. Also accessible on the rear panel is the external bias adjustment, which allows the quiescent current of the power amp valves to be adjusted. This ensures that the MIG-50 retains a deliberately straightforward design overall and focuses on a classic valve amp signal path without any frills.