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Morgan Amplification AC20tb


Product Description


Morgan Amps AC20tb

*Please note that most amp orders come factory direct and hand built one at a time. Therefore the usual wait time is 6-8 weeks depending on manufacturer availability and options. Please include your custom color choices in the order notes upon checkout.


Due to popular demand I have decided to do a top boost version of the AC20. Top boost refers to the addition of tone controls to the circuit. Typically when we add tone controls to an amplifier we are NOT ADDING tone but rather SUBTRACTING it. As we turn down our tone controls we diminish the output from the amp. To compensate for this loss an extra stage of gain needs to be added to increase the volume back to its original levels before the tone controls were added. That is why it is called a top BOOST.Available in head or combo form. The best of the top boost circuit in an easy to use 20 watt package that is the perfect combination of clean head room and sweet compression. Slightly more gain than the AC20.


  • Volume, treble, bass and a cut control
  • *new for 2012 power level comes stock on the AC20tb
  • Bright switch
  • Hand made hand selected coupling capacitors
  • Mercury Magnetics transformers
  • Cathode Bias
  • 3 12AX7
  • 2 EL84
  • GZ34 rectified
  • Dimensions -
  • Head - 17w 9.75h 7.5d
  • 1x12 Combo 24w 20.75h 10d

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