Do-It-Yourself projects are compiled here with recommendations, bill of materials, and walkthrough tutorials. These consists of mainly audio-related projects, but also some other electronic tips and tricks. Please always be cautious around electrical equipment and use proper safety precautions when dealing with live power. With that being said, enjoy the resources put together here and have fun.

SOHA V3.0 Hybrid Headphone Amplifier
A low voltage vacuum tube & solid state hybrid headphone amplifier that offers great sound and affordability. Manufactured PCBs have been made and distributed by DIY'ers in the community as well as numerous design and parts discussions. A great sounding amp to get into!
Millett Hybrid Headphone Amplifier 2nd Gen PCB
Designed by Pete Millett and enhanced by the DIY community. This is another hybrid headphone amplifier which uses low voltage tubes and a buffered output stage. There has been production of a discrete diamond buffer in place of the IC buffers which gives even more options to tweak to the builders' style and needs. Definitely an amp to get into tubes with!
SOCRAM Passive Switchbox Layout and Photos
A switchbox solution for single-ended audio sources, crossfeeds, and amplifiers. mb3k.com introduces the SOCRAM switchbox to tie your audio parts together in a simple yet useful solution. Definitely check this one out!
Mini³fy the PINT Pocket Amp (.pdf file)
Here is a modification by Team M³ of the PINT amp created by Warren Young (Tangent). The basic concept of Mini³fying the PINT is to relocate the ferrites outside of the feedback loop. Unfortunately the PINT amp has been discontinued by Tangent due to instability in many builds by DIY'ers, so this guide is for the remaining PCBs.
Neutrik Locking-less Jack Trick
A great method to disable the locking method of the Neutrik NJ3FP6C series ¼” stereo jacks. This allows for quick unplugging of headphones without pressing the awkward unlock lever. A must read, and a must-do!
Xbox Side Vent LED Board Tutorial
This one is for the Xbox crowd. Another in-house mb3k.com creation allowing the sides of an Xbox to glow using a handful of LEDs. A popular mod for the visually intrigued individuals!
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