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Electro-Harmonix MIG-50 50-Watt Tube Head

2-ch 50W Tube Amplifier Head with Normal/Bright Channels, Independent Volume Controls, Treble/Middle/Bass/Presence Controls, and 4/8/16-ohm Speaker Outputs
$799.00

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Classic Tube Amp Tone Defined

The revered Sovtek MIG-50 amplifier is back and better than ever with the Electro-Harmonix MIG-50 tube amplifier head. Boasting two channels with independent volume controls, plus a simple tone stack with treble, middle, bass, and presence controls, this MIG-50 faithfully re-creates the rich tone and sweet harmonics of the original. The preamp section preps your tone with one Mullard 12AX7 and two Tung-Sol 12AX7 tubes, while its power section packs dual Tung-Sol 5881 power tubes that conjure the aggressive grind that makes the MIG-50 a delight to turn up. Complete with 4-, 8-, and 16-ohm speaker outputs to accommodate any speaker cab configuration, the Electro-Harmonix MIG-50 amplifier is a world-class choice for generating iconic tube amp tone.

Old-school simplicity, vivacious tube tone

Designed as an exacting reissue of the original Sovtek amp, with the enhanced reliability and durability modern craftsmanship provides, Sweetwater is sure the Electro-Harmonix MIG-50 tube head will please any fan of old-school tube tone. Plug into the Normal channel for punchy, balanced tonality, or plug into the Bright channel for boosted gain and enhanced bite. Either way, the simple tone stack makes it easy to explore a plethora of tonal shades for practically any application.

Electro-Harmonix MIG-50 Tube Amplifier Head Features:

  • Reissue of the classic Sovtek MIG-50 tube amp
  • 2 channels (Normal and Bright) with independent inputs and volume controls
  • Shared tone stack with treble, middle, bass, and presence controls
  • External bias adjustment points for easier long-term maintenance
  • 4-, 8-, and 16-ohm speaker outputs to accommodate practically any speaker cabinet configuration

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Tech Specs

  • Type: Tube
  • Number of Channels: 2
  • Total Power: 50W
  • Preamp Tubes: 1 x Mullard 12AX7, 2 x Tung-Sol 12AX7
  • Power Tubes: 2 x Tung-Sol 5881
  • EQ: 3-band EQ, Presence
  • Inputs: 1 x 1/4" (normal), 1 x 1/4" (bright)
  • Outputs: 1 x 1/4" (4 ohms), 1 x 1/4" (8 ohms), 1 x 1/4" (16 ohms)
  • Effects Loop: No
  • Bias Type: Adjustable Fixed
  • Features: External Bias controls
  • Power Source: Standard IEC AC cable
  • Manufacturer Part Number: MIG50

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Customer Reviews

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Rated 5/5

Ridiculous

What an amazing quite versatile amp head this is. And they should have a picture of this beside the term LOUD. Hard to tame this thing. Takes pedals great!! Goes perfect with my Marshall 2x12.
Music background: Been playing guitar many years. Currently a solo performer
Rated 5/5

Best 50watt Marshall you'll ever find

It may say EHX, it may come from Soviet Tech/Sovtek heritage, it may even be all black and white in its vintage handsome looks, but it sure acts and sounds like a 50 watt Plexi head! The most wonderful 50 watt amp head, I have ever had.

From channel II, I am running it into a Two Notes reactive load, and Friedman Mic No Mo, and thru my audio interface and laptop, I crank this little bad boy to 9 and boost it up front with a trusty Boss Sd1, and Marshall bliss is attained. No crazy volumes and screaming cab necessary. I use a reverb and delay for effects thru my GarageBand, so I don't care about the head having no effects loop. Actually, the circuit is pretty simple and plexi'ish, so adding an aftermarket effects loop is totally feasible.

If you want a classic british plexi 50 watter, try this first.
Music background: 30 Years Guitar Nerd
Rated 5/5

Awesome amp at a good price

I wanted a clean tube amp with a lot of headroom for a pedal platform, but didn't want to spend $2k. I owned a Fender Bassman for several years that was superb, but was stolen and way too expensive to replace. I know the old SovTec mig-50 was built with nearly identical architecture to the Bassman design, and when I heard the Electro-Harmonix mig-50 was a direct copy I figured it would be my best bet.
This Mig-50 has tons of power and headroom for a pedal platform, and sounds superb. Channel 2 is the brighter channel and works well with all types of pick-ups. On volume level 3 it easily reaches over 90 DB and didn't show any breakup past level 5 which is crazy loud through my 4x12 Marshall cab. I keep it on 3 for home use and use the volume on the guitar to adjust from there.
I mainly wanted a good tube amp for better overdrive and distortion in a wet-dry-wet set-up to go with a pair of Katana 100 MkII's. The Katana's work really well for everything except overdrive & distortion, so the Mig-50 ended up being the perfect choice.
The Mig-50 does not have any reverb or tremolo which isn't an issue when you have pedals. The ONLY thing the Mig-50 is missing that would really make it better would be an effects loop for delays and other time-based effects. Having such clean power and so much headroom it really isn't an issue in my rig.
It is a superb amp at a very fair price that willabsolutely blow you away with how much clean power and raw volume it can put out. Basically imho it is a SovTec or Bassman for under $.
Music background: 30+ years as a serious hobbyist
Rated 5/5

Nice One!

I've been waiting for this amp almost as long as for Fender to put a gain knob on a Bassman 50. My Marshall Origin 50 head blew after 7 months, and "may I add" is underwhelming) and I needed something quick for a huge live show in my living room, so I was lucky this came in stock.
I ordered the "Mig" (perfect name) Sunday night online and it was here in Tx., Wed at noon. I let it sit for the 24 hrs to open it, and it was perfect! Simple, excellent instructions that even describe how to bias the tubes with the screw on the back. I set everything to noon (except the volume) on the front and it's a really nice sounding amp. It has a good range in the eq knobs and they actually do something. (Origin 50 reference) The volume knob is real edgy down low and this thing is LOUD. Who knew it would be a perfect pedal amp? I run it through an old 4x12 Marshall cab and it loves it. Plenty of bottom and a really sweet clean sound. The knobs/pots feel good and the switches are smooth, on the front panel, and don't make any "pop" through the speaker. A gain knob would be nice, but who needs it?
Nice, simple, valve amp. Let's hope it lasts...
Music background: punk rock hillbilly
Rated 5/5

Highly recommended

Just a great amp! Very powerful with a sound that blossoms perfectly. Excellent pedal platform and built like a tank. Thanks Kevin.
Music background: Classic rock guitarist
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