Dr. Phybes Phaser Kit

This kit includes all of the parts needed to build the GuitarPCB Dr. Phybes phaser project. While instructions are provided on the GuitarPCB.com website for using the Dr. Phybes circuit board to build a vibe, this kit has the components for the default phaser build. The phaser build compares well to a Phase 90™. This build is recommended for advanced builders. The kit includes a quad-set of NOS (New Old Stock) matched 2n5952 FETs which are required to get the best sound out of the circuit.


This kit comes with a 125B enclosure and a black Davies 1510-style knob.


All of our kits include a jack for a DC power adapter but no battery snap. If you wish to add a battery snap, please add a battery snap kit to your cart in addition to the pedal kit. Please see what is provided in a kit? in our FAQ for more details of what is included and what you will need to provide to complete the project.



Phase 90™ is a trademark of MXR®. Pedal Parts and Kits is not associated with and makes no claims to these trademarks. See our FAQ for more details.

Dr. Phybes Phaser Kit


  • Available
  • Ships within 3-5 days1

Check out this Dr. Phybes Demo Video!

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