If you frequent the forums, you have seen this book referenced as "the Bible." But is it still relevant in an age of surface-mount components and Class-D hype? I dug into my dog-eared copy to find out. Don't let the word "Sourcebook" fool you. This isn't a coffee table picture book. It is a dense, 300+ page textbook for your ears.
He doesn't waste time telling you which capacitor brand "sounds warmer." He talks about Total Harmonic Distortion (THD), slew rate, and noise floors. If you are an objectivist who thinks expensive cables are snake oil, you will feel very at home here. the audiophile's project sourcebook
You need to pair this book with the internet. Use it for the circuit topologies, the PCB layout guidance, and the safety rules. Then, go to Mouser or DigiKey with your phone to find modern equivalents for the transistors. If you frequent the forums, you have seen
You want to build a specific kit (buy an ACA or Bottlehead instead). You are afraid of high voltage. You hate reading schematics. The Final dB G. Randy Slone gave us a roadmap to high-end audio without the high-end prices. In an era where a "statement" amplifier costs as much as a car, this book is an act of rebellion. This isn't a coffee table picture book
That is, until you find a copy of
Slone (a legend in the DIY audio community) assumes you know which end of a soldering iron is hot, but he doesn't leave you hanging if you're shaky on Ohm's Law.