Popular products

This is Nelson Pass's recommended power supply for the Amp Camp Amp. Now available for immediate sale. It gives you more power and less noise than...

The all new Universal PSU V3.0. Bigger and badder than ever, complete with a well illustrated build guide. Fully compatible and optimized for the ...

Problem: You need to use something to go between your transistors and heatsinks so they can transfer heat efficiently. Thermal grease is a pain in ...

EU residentsplease click here  The Amp Camp Amp V1.8 chassis is custom made for your Amp Camp Amp. If you have a previous version of the ACA p...

A range of matched JFET offerings suitable for do-it-yourself audio projects. Learn more about the matching requirements or Idss choice for your pr...

This pack includes one Soft Start Board and one Speaker Turn-On Delay and DC protector board.  They are not available for purchase separately. Soft...

This is the line stage Wayne Colburn presented at Burning Amp 2018. Read more about it in the Wayne's BA 2018 Linestage discussion thread on diyAu...

This set of circuit boards will make the Aleph J amplifier of Nelson Pass. This amplifier is a direct descendant of the legendary Pass Labs Aleph 3...

At Burning Amp Festival 2017 Nelson presented a version of a pre-amp using the Korg Nutube dual triode. We now have the latest version of this circ...

This pair of F-5 Clone circuit boards use the same circuit as the Nelson Pass / Firstwatt F-5 model.  This is V3.0 of the boards, and it should be ...

You want to build a preamp, a DAC, a phono stage, anything that needs a nominal supply voltage between 3.3V and 18V or even more, positive and/or ...

  The Korg Nutube 6P1 is a new, miniature, low-power dual directly-heated triode device. It was developed by Korg (of musical instrument fame) and...

Get the good vibes by keeping the bad vibes at bay! This kit includes 4 feet (height: 21.5mm). You will need to drill your own holes in your cover ...

The PO89ZB, an inline DC filter for SMPS wall warts, preamps, HPAs, Korg NuTubes, B1, etc.   This filter is limited to single rail 48V DC, 3A appli...

This is the ACP+ (Amp Camp Pre-Amp + Headphone Amp) PCB, as built at Burning Amp Festival in 2019. PCBs ($25) The pre-amp PCB along with the ground...

Burning Amplifier 3 Gain Stage Board (BAGS-N). One board works for 2 channels. The BA-3 gain stage is the latest feedback-less "front end" for the ...

The DIY BIAMP 6-24 kit is a stereo analog active biamp crossover circuit designed for high flexibility. Featuring 12 discrete Jfet buffer circuits...

This pair of M2 clone cicuit boards, use the same circuit as the Nelson Pass / First Watt M2 amplifier. However, the first "buffer" stage of amplif...

This set of circuit boards is used to make the F-5 Turbo power amplifier from the mind of DIY hero and audio genius, Nelson Pass. One set of PCBs w...

Alps RK27 breakout PCB, to assist with affixing an Alps RK27 potentiometer to the front of your chassis. Pot and connector strip not included, this...

This is the ACA Mini "Essentials" Kit, which provides the bare essentials you would need to get started with the project.  Learn more and discuss t...

  We're happy to announce the immediate availability of this new collaboration between Pete Millett and diyAudio, an updated version of the class...

The Galaxy line makes a great home for small projects and has handy multi-purpose quasi-heatsinks on the sides. The top and bottom covers and made...