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B1 with Korg Triode (B1K) Full Kit
Original price $ 299.00 - Original price $ 299.00Original price$ 299.00$ 299.00 - $ 299.00Current price $ 299.00| /10+ in stockAt the Burning Amp Festival in 2017 Nelson presented a pre-amp using the Korg Nutube dual triode. The latest revision of the circuit available is n...
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WHAMMY Headphone Amplifier Full Kit
Original price $ 299.00 - Original price $ 299.00Original price$ 299.00$ 299.00 - $ 299.00Current price $ 299.00| /10+ in stockThe WHAMMY Class-A headphone amplifier Wayne Colburn, the genius at Pass Labs who for the last 25 years has designed essentially all the things ...
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B1 with Korg Triode (B1K) Preamplifier PCB + Fairchild JFETs
Original price $ 25.00 - Original price $ 25.00Original price $ 25.00$ 25.00$ 25.00 - $ 25.00Current price $ 25.00| /10+ in stockAt 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...
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SMPS DC Filter P089ZB Kit
Original price $ 14.00 - Original price $ 14.00Original price$ 14.00$ 14.00 - $ 14.00Current price $ 14.00| /10+ in stockThe 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...
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ACP+ (Amp Camp Pre-Amp + Headphone Amp)
Original price $ 20.00 - Original price $ 240.00Original price$ 20.00 - $ 240.00$ 20.00 - $ 240.00Current price $ 20.00| /10+ in stockThis 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...
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DIY Biamp 6-24 Crossover
Original price $ 33.00 - Original price $ 33.00Original price$ 33.00$ 33.00 - $ 33.00Current price $ 33.00| /10+ in stockThe DIY BIAMP 6-24 kit is a stereo analog active biamp crossover circuit designed for high flexibility. Featuring 12 discrete Jfet buffer circuits...
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Amp Camp Amp
Original price $ 327.00 - Original price $ 359.00Original price $ 327.00$ 359.00$ 359.00 - $ 359.00Current price $ 359.00| /Out of stockUpdates 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 $ 25.00Original price$ 25.00$ 25.00 - $ 25.00Current price $ 25.00| /10+ in stockThis 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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Starving Student II Headphone Amplifier
Original price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 289.00$ 289.00 - $ 289.00Current price $ 289.00| /10+ in stockWe're happy to announce the immediate availability of this new collaboration between Pete Millett and diyAudio, an updated version of the classic...
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Aleph J MOSFET and JFET kit
Original price $ 60.00 - Original price $ 60.00Original price$ 60.00$ 60.00 - $ 60.00Current price $ 60.00| /Out of stockIncluded 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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DIY Front End 2022 Essentials Kit
Original price $ 20.00 - Original price $ 20.00Original price$ 20.00$ 20.00 - $ 20.00Current price $ 20.00| /10+ in stockAmong 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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H2 Harmonic Generator
Original price $ 8.00 - Original price $ 8.00Original price$ 8.00$ 8.00 - $ 8.00Current price $ 8.00| /10+ in stockThis is Nelson's DIY H2 Harmonic Generator, Version 2. This kit consists of one PCB and two selected J113 JFETs, good for stereo operation. You ca...
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Analog Crossover Network: LX Mini XO Kit
Original price $ 99.00 - Original price $ 99.00Original price$ 99.00$ 99.00 - $ 99.00Current price $ 99.00| /10+ in stockThis is the Analog Crossover Network: LX Mini XO Kit. To purchase a complete kit or learn more about what the ACN can do for you visit the ACN Comp...
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ACA Mini Completion Kit
Original price $ 110.00 - Original price $ 110.00Original price$ 110.00$ 110.00 - $ 110.00Current price $ 110.00| /10+ in stockThis 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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Iron Pre
Original price $ 150.00 - Original price $ 175.00Original price$ 150.00 - $ 175.00$ 150.00 - $ 175.00Current price $ 150.00| /Out of stockThe Iron Pre Completion Kit is over here. This is the Iron Pre from Zen Mod - limited quantities and hot off the press. There are two versions of t...
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Equalizer for Full Range Speakers
Original price $ 10.00 - Original price $ 10.00Original price$ 10.00$ 10.00 - $ 10.00Current price $ 10.00| /10+ in stockAn equalizer for full range speakers that addresses the common need for a bit of of a bump in the bottom end and a dip in the top. "Most of the ti...
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Linear Audio Silent Switcher V3
Original price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 69.00 - $ 129.00$ 69.00 - $ 129.00Current price $ 69.00| /Out of stockYour projects need a low voltage power supply. Very low noise. No hum, no mains pops. Efficient and portable. Enter the SilentSwitcher by Linear Au...
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Analog Crossover Network: Basic Kit
Original price $ 33.00 - Original price $ 33.00Original price$ 33.00$ 33.00 - $ 33.00Current price $ 33.00| /10+ in stockThis is the Analog Crossover Network: Basic Kit. To purchase a complete kit or learn more about what the ACN can do for you visit ACN Complete Kit...
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Noir Pre & Headphone Amplifier
Original price $ 29.00 - Original price $ 69.00Original price$ 29.00 - $ 69.00$ 29.00 - $ 69.00Current price $ 29.00| /10+ in stockNoir is a unique low cost headphone amplifier project, comprised of three circuit boards. The entire Noir BOM is purchasable from Mouser in a singl...
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Pearl 3 Phono Preamplifier
Original price $ 150.00 - Original price $ 150.00Original price$ 150.00$ 150.00 - $ 150.00Current price $ 150.00| /Out of stockLIMIT 1 PER CUSTOMER PER MONTH This is the pioneer kit for Wayne Colburn’s new phono stage, Pearl 3. This includes all of the parts for the RIAA P...
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Scourge, Bulwark, Marauder and Dreadnaught VFET Front Ends
Original price $ 109.00 - Original price $ 149.00Original price $ 109.00 - Original price $ 149.00Original price $ 115.00$ 80.00 - $ 109.00$ 80.00 - $ 109.00Current price $ 80.00| /Only 2 left!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 $ 135.00Original price$ 135.00$ 135.00 - $ 135.00Current price $ 135.00| /10+ in stockThe 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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Linear Audio T-reg V5
Original price $ 69.00 - Original price $ 69.00Original price$ 69.00$ 69.00 - $ 69.00Current price $ 69.00| /10+ in stockA high-voltage, low noise, fully protected regulator for tube circuits T-reg is a high voltage regulator aimed at tube-level high voltage amplifier...
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Linear Audio High-voltage Delay for Tube Amplifiers V4
Original price $ 49.00 - Original price $ 49.00Original price$ 49.00$ 49.00 - $ 49.00Current price $ 49.00| /10+ in stockThis high voltage delay for tube amplifiers was designed by Jan Didden of Linear Audio and published in the October 2019 issue of audioXpress. Why ...
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