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 Burning Amp series of Class A Mosfet follower output stages. Illustrated Build guide for the ...

This pair of F-4 Clone Boards use the same circuit as the Nelson Pass / Firstwatt F-4 model. Dimensions 250mm x 50mm Mounting holes UMS Heatsink Compatible Number of boards included 2 Layers 2 Board Revision 2.0

Included in this kit are the semiconductors needed to complete an two channels of the F-4 amplifier or BA-3 output stage, with the exception of the input JFETs. 6 x IRFP 240 6 x IRFP 9140 2 x TL-431 Please ...

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 will make a stereo F-5T v2, or a single monoblock F-5T ...

The first Class AB power amplifier to be featured at the diyAudio Store. It has been designed from the ground up with the sonic character, power output and most of all the DIYer in mind. With a basic power output ...

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 amplification has been placed on a removable daughter board, making it extremely easy to ...

The DIY BIAMP 6-24 kit is a stereo analog active bi-amp crossover circuit designed for high flexibility. Featuring 12 discrete JFET buffer circuits operated without negative feedback, it offers 16 continuously adjustable filter elements in two low-pass and two high-pass ...

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 applications. The kit contains top-quality parts as selected by the circuit’s designer which includes ...

Included in this kit are the following semiconductors needed to complete an Aleph J amplifier. This kit provides for 2 channels (one stereo amplifier). MOSFETs and JFETs were graded and matched specifically for use in the Aleph J by expert ...

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 the ACA Mini in the DIY ACA Mini thread at diyAudio. This ACA Mini "Essentials" ...

This is the ACA Mini "Completion" kit, which provides a number of parts needed to complete the ACA Mini project. It does not include the PCB or active devices, which you'll need to get in the ACA Mini Essentials Kit. ...

Among the appreciations of DIYers is stuff that works simply, well, and cheap, not necessarily in that order. This project is an effort to assemble these elements into a discrete gain stage that can be used as the front end ...