10 Watt Audio Amplifier using Op-Amp and Power Transistors
The 5002 Project: A DIY Mono Amp Block | audioXpress
Amazon.com: MOD 102 DIY Guitar Amplifier Kit : Musical Instruments
You Can DIY! The DH-220C MOSFET Power Amplifier - Part 1 The Circuit | audioXpress
BZ2412A All Aluminum Class A Power Amplifier Housing Audio Amp Chassis DIY Case | eBay
HC1 High Current Headphone Amp – DIY Recording Equipment
DIY 8ch x 100W power amp with microprocessor control | Audio Science Review (ASR) Forum
How To Make A Guitar Amp – FuelRocks
New HiFi A2-PRO Professional Amplifier DIY Kit Refer Beyerdynamic A2 AMP With aluminum chassis - AliExpress
Amazon.com: 100W+100W Amplifier Board with Treble and Bass Control, DC 9-24V, BT and AUX Inputs, 2.0 Channel Stereo AMP Board for DIY Wireless Speakers, Password Free : Electronics
You Can DIY! A 25W OTL Tube Amplifier | audioXpress
Review and Measurements of Hypex NC400 DIY Amp | Audio Science Review (ASR) Forum
DIY Operational Amplifier
HiFi Vacuum Tube Power Amplifier Class A Single-Ended Stereo Audio Amp DIY KIT | eBay
6P3P HiFi Vacuum Tube Amplifier Class A Stereo Audio Amp DIY KIT/Finished 15W | eBay
If You Can't Find It, Build It DIY Tube Amp – Part One