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  • Amp Camp Amp Chassis

    Original price $ 169.00 - Original price $ 169.00
    Original price
    $ 169.00
    $ 169.00 - $ 169.00
    Current price $ 169.00
    Out of stock

    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...

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  • Aleph J

    Original price $ 25.00 - Original price $ 25.00
    Original price
    $ 25.00
    $ 25.00 - $ 25.00
    Current price $ 25.00
    10+ in stock

    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...

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  • F5

    Original price $ 25.00 - Original price $ 25.00
    Original price
    $ 25.00
    $ 25.00 - $ 25.00
    Current price $ 25.00
    10+ in stock

    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 ...

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  • Burning Amplifier Gain Stage for BA-3

    Original price $ 14.00 - Original price $ 14.00
    Original price
    $ 14.00
    $ 14.00 - $ 14.00
    Current price $ 14.00
    10+ in stock

    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 ...

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  • Amp Camp Amp

    Original price $ 327.00 - Original price $ 359.00
    Original price $ 327.00
    $ 359.00
    $ 359.00 - $ 359.00
    Current price $ 359.00
    Out of stock

    Updates  After a long wait, the new and improved version of the ACA, the ACA V1.8, is now in stock. Stuff you'll want to know about: V1.8 wirin...

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  • ACA Mini Essentials Kit

    Original price $ 25.00 - Original price $ 25.00
    Original price
    $ 25.00
    $ 25.00 - $ 25.00
    Current price $ 25.00
    10+ in stock

    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...

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  • M2X

    Original price $ 29.00 - Original price $ 29.00
    Original price
    $ 29.00
    $ 29.00 - $ 29.00
    Current price $ 29.00
    10+ in stock

    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...

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  • Amp Camp Amp PCB

    Original price $ 15.00 - Original price $ 20.00
    Original price
    $ 15.00 - $ 20.00
    $ 15.00 - $ 20.00
    Current price $ 15.00
    10+ in stock

    Two of the latest Amp Camp Amp PCBs, good for 2 channels of amplification. These are the current revision of the PCB, which says "V1.6" on the P...

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  • F-5T

    Original price $ 49.00 - Original price $ 49.00
    Original price
    $ 49.00
    $ 49.00 - $ 49.00
    Current price $ 49.00
    10+ in stock

    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...

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  • DIY Front End 2022 Essentials Kit

    Original price $ 20.00 - Original price $ 20.00
    Original price
    $ 20.00
    $ 20.00 - $ 20.00
    Current price $ 20.00
    10+ in stock

    Among the appreciations of DIYers is stuff that works simply, well, and cheap, not necessarily in that order.  This project is an effort to as...

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  • Aleph J MOSFET and JFET kit

    Original price $ 60.00 - Original price $ 60.00
    Original price
    $ 60.00
    $ 60.00 - $ 60.00
    Current price $ 60.00
    Out of stock

    Included in this kit are the following semiconductors needed to complete an Aleph J amplifier. This kit provides for 2 channels (one stereo amplifi...

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  • F-6 Transistor Kit

    Original price $ 24.00 - Original price $ 24.00
    Original price
    $ 24.00
    $ 24.00 - $ 24.00
    Current price $ 24.00
    Out of stock

    Included in this kit are the semiconductors needed to complete an F-6 amplifier, with the exception of the input JFETs, which can be sourced separa...

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  • F-6

    Original price $ 25.00 - Original price $ 25.00
    Original price
    $ 25.00
    $ 25.00 - $ 25.00
    Current price $ 25.00
    10+ in stock

    Please note we have F6 parts / transformer kits now available (which include a pair of these PCBs). These F-6 Clone Boards use the same circuit as ...

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  • F-4

    Original price $ 25.00 - Original price $ 25.00
    Original price
    $ 25.00
    $ 25.00 - $ 25.00
    Current price $ 25.00
    10+ in stock

    This pair of F-4 Clone Boards use the same circuit as the Nelson Pass / Firstwatt F-4 model. Circuit description The F4 is a Push-Pull, Class-A, Mo...

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  • F-4/BA-3 Transistor Kit

    Original price $ 59.00 - Original price $ 59.00
    Original price
    $ 59.00
    $ 59.00 - $ 59.00
    Current price $ 59.00
    10+ in stock

    Included in this kit are the semiconductors needed to complete an F-4 amplifier or BA-3 output stage, with the exception of the input JFETs. MOSFE...

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  • The diyAB "Honey Badger" Class AB Power Amp - 150W/Channel

    Original price $ 39.00 - Original price $ 39.00
    Original price
    $ 39.00
    $ 39.00 - $ 39.00
    Current price $ 39.00
    10+ in stock

    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 ou...

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  • ACA Mini Completion Kit

    Original price $ 110.00 - Original price $ 110.00
    Original price
    $ 110.00
    $ 110.00 - $ 110.00
    Current price $ 110.00
    10+ in stock

    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 act...

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  • F-5T V1/2 Transistor Kit

    Original price $ 79.00 - Original price $ 79.00
    Original price
    $ 79.00
    $ 79.00 - $ 79.00
    Current price $ 79.00
    10+ in stock

    Included in this kit are the semiconductors needed to complete an F-5T V1 or V2 amplifier, with the exception of the input JFETs, which can be sour...

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  • MoFo

    Original price $ 19.00 - Original price $ 19.00
    Original price
    $ 19.00
    $ 19.00 - $ 19.00
    Current price $ 19.00
    Out of stock

    Two black printed circuit boards for the MoFo MOSFET Follower amp project.  MoFo is a super-simple, easy-to-build amp, powered by a laptop power su...

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  • Scourge, Bulwark, Marauder and Dreadnaught VFET Front Ends

    Original price $ 0.00 - Original price $ 149.00
    Original price $ 0.00
    $ 109.00 - $ 149.00
    $ 109.00 - $ 149.00
    Current price $ 109.00
    10+ in stock

    Complete kits for Mark Johnson's VFET front ends. These are suitable for both the N and P VFET kits and will also drive other projects that are pla...

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  • Amp Camp Amp Parts Kit Only

    Original price $ 135.00 - Original price $ 135.00
    Original price
    $ 135.00
    $ 135.00 - $ 135.00
    Current price $ 135.00
    10+ in stock

    The Amp Camp Parts Kit includes everything you need to build the Amp Camp Amp except the recommended power supply and a chassis. You can also buy t...

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  • Burning Amplifier Complementary Bias and Output Set for the BA-2 & BA-3

    Original price $ 29.00 - Original price $ 29.00
    Original price
    $ 29.00
    $ 29.00 - $ 29.00
    Current price $ 29.00
    10+ in stock

    Two P-BACO-2V20 output boards and two P-BACB-2V20 bias boards. The bias boards are only available in this set. Populate this set with your componen...

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  • 2017 Sony VFET PCBs

    Original price $ 38.00 - Original price $ 38.00
    Original price
    $ 38.00
    $ 38.00 - $ 38.00
    Current price $ 38.00
    10+ in stock

    What are these? These PCBS have nothing to do with the 2021 DIY Sony VFET offering. This is a re-release of the 2017 Sony VFET Kit PCBs from our ...

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  • Burning Amplifier Single-ended Bias and Output Set for the BA-1 & BA-3

    Original price $ 29.00 - Original price $ 29.00
    Original price
    $ 29.00
    $ 29.00 - $ 29.00
    Current price $ 29.00
    10+ in stock

    Two P-BASO-2V20 output boards and two P-BASB-2V20 bias boards. The bias boards are only available in this set. Populate this set with your componen...

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