Hamptone HJFA Amplifier

Projects > Hamptone HJFA Amplifier
The HJFA is a multi-purpose amplifier that takes the circuit from Hamptone’s HJFP mic preamps and removes the mic input section. Depending on the input transformer used, this board could be the foundation for a DIY mic preamp, instrument amp, or DI.
hamptone hjfa diy amp
Notable Features:
  • Uses Hamptone’s custom output transformer
  • Suggested uses include:
    • Instrument preamp
    • DIs
    • Line amps
    • Mic Preamp
    • Plate reverb pickup amp
    • Leslie speaker preamp
  • On board voltage regulators
  • Powered by included DC wallwart
  • Designed to fit in Hammond 1590B enclosure

Price: No longer available

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