FiveFish OpAmp Test Jig

Projects > FiveFish OpAmp Test Jig

FiveFish Audio’s OpAmp Test Jig is a way to prototype and test opamps, both discrete and monolithic, with relative ease. Provisions are made for several audio-specific opamp applications and output loads, along with attaching test equipment.


  • Selectable output loads with 600 ohm, 10k ohm, or no load
  • Selectable inverting, non-inverting, or buffer/voltage follower configuration
  • Power supply voltage rail monitoring
  • Pads for probe leads
  • BNC jacks for test equipment


  • $16 for PCB, $45 for PCB + partial component kit
  • Currently unavailable, contact FiveFish (link below) to be put on waiting list for possible reissue

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