This site has limited support for your browser. We recommend switching to Edge, Chrome, Safari, or Firefox.

Cart 0

No more products available for purchase

Products
Subtotal Free
Shipping, taxes, and discount codes are calculated at checkout

Your Cart is Empty

Home
Consumables
Books
Clearance
About Us
News
Hard-to-find parts and unique projects for DIYers you won't find anywhere else

Project Categories

Preamplifiers / Buffers / Phono Stages / Input Stages
Preamplifiers / Buffers / Phono Stages / Input Stages 10
Power Amplifiers / Output Stages
Power Amplifiers / Output Stages 16
Headphone Amplifiers
Headphone Amplifiers 5
Crossovers / Equalizers 3
Power Supplies 9
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
 
 Sold Out

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
 

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
 
 Sold Out

Linear Audio Silent Switcher V3

From $ 69.00 USD

Parts & More

  • Cables
  • Active Devices
  • Clearance
  • Books
  • Solder / Insulators
Speaker cable
Speaker cable
Speaker cable

Speaker cable

From $ 50.00 USD
 

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
 

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

Sorry, there are no products here.

 

The Complete Linear Audio Library

$ 99.00 USD
 

Keratherm Transistor Insulators

$ 18.00 USD
 

Cardas Quad Eutectic Solder

$ 30.00 USD