Building a valve amplifier generally involves several critical stages as detailed in the literature:

: A comprehensive hands-on guide that focuses on practical application with minimal heavy math. It includes a major step-by-step project that illustrates the principles of design and construction. You can find it on ScienceDirect .

The definitive academic and practical resource on this subject is by Morgan Jones . This work is widely recognized as the industry standard for both hobbyists and audio engineers, covering everything from basic theory to advanced construction and testing. Key Resources & Papers