Unfortunately, Teemuk's thread was deleted. I have made this post to at least have the link available to everyone. I apologize for any inconvenience.
Quote from: TeemukMy book about solid-state guitar amplifiers is finally ready and can be downloaded in portable document format (pdf) from:
http://www.thatraymond.com/downloads/solidstate_guitar_amplifiers_teemu_kyttala_v1.0.pdf
Big thanks to joecool85 for hosting the file.
People with slow Internet connection, be warned: The file is about 31 Megabytes so it will take a while to download.