JFET preamp

This JFET preamplifier delivers a fantastic tube-like sound. The circuit is exceptionally simple to build and can be used as a versatile booster.
Steps
  1. Overview
  2. Designators and components
  3. PCB assembly
  4. Enclosure and wiring
  5. Enclosure drilling
Categories
Tayda Electronics Kits, DIY Projects, DIY Guitar Effects
Created by DHEA
Status: Active
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Enclosure drilling Step 5 of 5

Choose an enclosure and use the custom drilling service. For personalized artwork, use the UV printing service. Open this drilling template or add the coordenates from the following table into the online tool at drill.taydakits.com. The holes #1 to #5 are for the 1590B enclosure PCB.

 

Adjust the diameter of hole #3 for the DC connector (9 mm works for most of the connectors).

Adjust the diameter of hole #5 for the LED as follows (for painted enclosures):

  • 3 mm LED: 3.2 mm
  • 3 mm LED metal holder: 6 mm
  • 5 mm LED: 5.2 mm
  • 5 mm transparent holder: 6.5 mm

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