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  • Universal Power Supply

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

    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 ...

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  • Wayne's Burning Amp 2018 Linestage

    Original price $ 19.00 - Original price $ 45.00
    Original price
    $ 19.00 - $ 45.00
    $ 19.00 - $ 45.00
    Current price $ 19.00
    10+ in stock

    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...

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  • Soft Start & Speaker Turn-On Delay / DC Protector Combo

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

    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...

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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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  • Super Regulator

    Original price $ 19.00 - Original price $ 19.00
    Original price
    $ 19.00
    $ 19.00 - $ 19.00
    Current price $ 19.00
    10+ in stock

    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 ...

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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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  • 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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  • RK27 Breakout PCB

    Original price $ 5.00 - Original price $ 5.00
    Original price
    $ 5.00
    $ 5.00 - $ 5.00
    Current price $ 5.00
    Out of stock

    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...

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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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  • 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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  • Mezmerize B1 Buffer

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

    The Mezmerize is a direct coupled preamp (no coupling caps) based on Nelson Pass's B1 Buffer. It boasts symmetrical Salas shunt voltage regulators ...

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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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  • 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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  • WHAMMY PCB

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

    WHAMMY PCB 218mm x 160mm (8 5/8" x 6 5/16")  Black with gold immersion traces 70 µm / 2oz Copper

  • 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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  • Burning Amplifier Gain Stage for BA-1 & BA-2

    Original price $ 9.00 - Original price $ 9.00
    Original price
    $ 9.00
    $ 9.00 - $ 9.00
    Current price $ 9.00
    10+ in stock

    Burning Amplifier Gain Stage Board (BAGS) which handles voltage gain for two channels when you populate it with your components. This board is requ...

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