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Product Description


Morgan brought back the AC20!

Similar to its big brother, the Morgan AC20 is a deceptively simple, hand wired in the USA, all-tube amplifier that is capable of producing a myriad of early 60s British AC tones - but that is just the beginning. The included power level control allows you to dial in just the right amount of volume without sacrificing your tone the way some master volumes do.

Plugging  into the AC20 and you will instantly notice the familiar chime and compression of the Class A EL84 driven output section. Instantly U2, Tom Petty, Queen and most of praise and worship tones will be right there at your fingertips. Like all Morgan amps the AC20 was designed with the pedalboard player in mind. This amp loves all pedals and was designed in a matter where even modulation pedals like reverb and delay sound best in front of the amp. The amplifier’s extreme touch-sensitivity will allow you to coax clean tones even at the highest of gain settings. To quote Keith Armstrong (Chief Engineer at Mix LA) “It is impossible to get a bad sound out of this amp!”

The hand crafted in USA head shell is made of void-less Baltic birch ply wrapped in our twilight finish, a proprietary custom ballistic vinyl covering that is vulcanized to the wood to ensure long lasting durability.

The Power Level control is a big part of the magic of the AC-20. Most guitarists today have spent large sums of money and even more amounts of time working on their pedal boards. Most pedals are not designed to be used with a tube amp on “1”. They were designed to interact with the amplifier at or near the point at which it begins to break up. That is why an overdrive pedal is called an “over” drive. It is driving the amp over that point. Unfortunately that volume can be too loud for most live applications. The Power Level control on the AC20 solves this. Think of conventional master volumes as a spigot on a garden hose, they choke off the signal to the power section of the amp to a usable level. Most conventional master volumes also affect the way your pedals interact with your amp. The Power Level control behaves like a zoom lens. It limits the size of the output signal that can be produced by the output tubes. It does NOT choke the signal down and therefore behaves identical as if the amp were running at full volume. This means that you can choose the power that you need, anything from ¼ of a watt to 20 watts.

Joe Morgan has been building, modifying and repairing amplifiers since 1996. His designs are seen in stadiums and arenas all over the world. It is hard to turn on a music awards show without seeing his products. Joe designs for the working musician, whether that means a Sunday morning church gig or touring the world with James Taylor.

Joe will be the first to tell you that tube amps are not rocket science (Joe was part of the engineering team that developed the first GPS satellites). Tube amps are only as good as their components and Morgan chooses the best of the best. Engineered with custom designed transformers to provide the best possible sonic signature they also provide Morgan with the confidence to offer a limited lifetime warranty.

Handwired in the USA.


  • Power: ¼ - 20w variable (tube)
  • Hand-wired in the USA
  • 2x EL-84 power tubes
  • 2x 12AX7 preamp tubes
  • Power Level control
  • Global Cut – removes high frequencies from the power section
  • Volume
  • Bright switch
  • Bass Cut Switch
  • 2x8 ohm 1x16 ohm outputs
  • Limited lifetime warranty
  • Dimensions: head 7.5" (D) x 17" (W) x 9.75" (H)
  • Weight: 25 lb. Head


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