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Hard-to-find parts and unique projects for DIYers you won't find anywhere else

NEW DELUXE CHASSIS AVAILABLE

We are proud to announce the release of our new Deluxe chassis and back panel parts kits.

Learn more

Project Categories

Preamplifiers / Buffers / Phono Stages / Input Stages
Preamplifiers / Buffers / Phono Stages / Input Stages 10
Power Amplifiers / Output Stages
Power Amplifiers / Output Stages 13
Headphone Amplifiers
Headphone Amplifiers 5
Crossovers / Equalizers 3
Power Supplies 8
Auxiliary Circuits / Experimental Platforms 4

Latest Projects

  • Power Amplifiers
  • Pre / Buffer / Phono / Input
  • Headphone Amplifiers
  • Crossovers / Equalizers
  • Power Supplies
 

F5M

From $ 30.00 USD
 
 Sold Out

ACA MinMax

Sold Out
 

Aleph Jzm

$ 110.00 USD
 

Amp Camp Amp Mini

From $ 25.00 USD
Both chassis styles (silver and black), the PSU and the parts kit. Please note only 1 chassis is included in the complete kit, you must choose which style you prefer.
 

Amp Camp Amp

From $ 10.00 USD
Both chassis styles (silver and black), the PSU and the parts kit. Please note only 1 chassis is included in the complete kit, you must choose which style you prefer.
 
 Sold Out

Elekit TU-8150 6AQ5/6V6 Single Tube Amp/HPA Kit

$ 485.00 USD
 

Pearl 3 Phono Preamplifier

$ 150.00 USD
 

ACP+ Amp Camp Preamp & HPA

From $ 20.00 USD
 

DIY Front End 2022 Essentials Kit

$ 20.00 USD
 
 Sold Out

Korg Nutube B1 Preamplifier

From $ 25.00 USD
An assembled PCB
 
 Sold Out

Noir Preamplifier & HPA

From $ 29.00 USD
An assembled PCB
PCB top
 

BA2018 Linestage

From $ 19.00 USD
 

ACP+ Amp Camp Preamp & HPA

From $ 20.00 USD
 
 Sold Out

WHAMMY

From $ 20.00 USD
An assembled PCB
 
 Sold Out

Noir Preamplifier & HPA

From $ 29.00 USD
An assembled PCB
PCB top
Starving Student II HPA Complete Kit

Starving Student II

$ 289.00 USD
 
 Sold Out

Elekit TU-8150 6AQ5/6V6 Single Tube Amp/HPA Kit

$ 485.00 USD
 

Equalizer for Full Range Speakers

$ 10.00 USD
 
 Sold Out

DIY Biamp 6-24 Crossover

$ 33.00 USD
 

Analog Crossover Network (LX Mini Crossover)

From $ 33.00 USD
 

Nelson's PSU Filter Relay 2022

$ 20.00 USD
Nelson's Bipolar Power Supply
Nelson's Bipolar Power Supply

Nelson's Bipolar Power Supply

From $ 60.00 USD
 

SMPS DC Filter P089ZB Kit

$ 14.00 USD
 

Linear Audio T-reg V5

$ 69.00 USD
 

Linear Audio High-voltage Delay for Tube Amplifiers V4

$ 49.00 USD
 

Super Regulator

$ 19.00 USD

Parts & More

  • Chassis
  • Cables
  • Active Devices
  • Books
  • Solder / Insulators
2025 Deluxe Chassis - 2U
2025 Deluxe Chassis - 2U

2025 Deluxe Chassis - 2U

$ 330.00 USD
2025 Deluxe Chassis - 3U
2025 Deluxe Chassis - 3U

2025 Deluxe Chassis - 3U

$ 365.00 USD
2025 Deluxe Chassis - 4U
2025 Deluxe Chassis - 4U
2025 Deluxe Chassis - 4U
2025 Deluxe Chassis - 4U

2025 Deluxe Chassis - 4U

From $ 420.00 USD
2025 Deluxe Chassis - 5U
2025 Deluxe Chassis - 5U
2025 Deluxe Chassis - 5U
2025 Deluxe Chassis - 5U

2025 Deluxe Chassis - 5U

From $ 470.00 USD
 
 Sold Out

Back Panel Parts and Mounting Accessories for the diyAudio 2025 Deluxe Chassis

From $ 99.00 USD
Speaker cable
Speaker cable
Speaker cable

Speaker cable

From $ 50.00 USD
 
 Sold Out

Single-ended RCA audio cable

From $ 50.00 USD
 

Balanced audio cable

From $ 26.00 USD
 
 Sold Out

Locking banana plugs

$ 36.00 USD
 

Matched JFETs

From $ 30.00 USD
 

Korg Nutube 6P1 Dual Triode

$ 49.99 USD
 
 Sold Out

Burson Audio V7 Vivid Dual Opamp

From $ 90.00 USD
 
 Sold Out

Burson Audio V7 Classic Dual Opamp

From $ 90.00 USD
 

Burson Audio V5i Hybrid Dual Opamp

From $ 40.00 USD
 

Burson Audio V6 Vivid Dual Opamp

From $ 70.00 USD
 

The Complete Linear Audio Library

$ 99.00 USD
 

Keratherm Transistor Insulators

$ 18.00 USD
 

Fire Metall Eutectic Solder

$ 25.00 USD
 
 Sold Out

Cardas Quad Eutectic Solder

$ 30.00 USD