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DFX Custom 85 Hand-Wired Tube Amplifier


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DFX - Custom 85 - Hand-Wired Tube Amplifier


We build custom amplifier heads. We have had the burdensome pleasure of getting to know the strengths and weaknesses of many different amplifier circuits intimately, through the extensive work we have done in years of repair and restoration. This experience has helped give us a connection between the sound we enjoy as artists and the circuitry that seems to follow it. So began our own designs. The pictured amplifier is a re-creation of an early 70’s Hiwatt 504 with the following custom designs implemented:

  • Its tone stack that has been custom-tuned to the register of the clients baritone instrument
  • Customized power output that can use 6550 tubes in addition to EL34
  • Locking fixed bias adjustment
  • Effects loop with a custom PCB that features adjustable input/output for matching impedance with no gain or frequency loss
  • Custom Tolex and piping
  • Hand etched plate shielding and front panel

Store Address:
5979 South State Street
Murray, Utah 84107


Mon-Thur, Sat: 10:30AM-6:30PM