Praise for the previous edition: If you actually intend to create, modify, restore or repair tube audio equipment, I would highly recommend purchasing Building Valve Amplifiers even if you are seasoned by many years of practical experience. I am convinced that all readers will be amazed at the quantity of new useful knowledge it contains. - Andrew Marshall's Audio Ideas Guide Magazine Brings together all the necessary details to enable even the novice to build satisfactory valve amplifiers. More than that, it is a primer for electronic construction, setting out the correct way to do things so that, if followed, there is a very high chance that the equipment will work first time. Thoroughly recommended for experienced builders and novices alike. - Electronics World