AudioRoundTable.com would like to welcome our newest sponsor, Vacuum Tube Valley.  We're proud to include them here at the Round Table.Vacuum Tube Valley is a magazine publisher of a high-quality quarterly publication devoted to the colorful past, present and future of vacuum tube audio electronics.  VTV features well-researched and detailed articles on modern and vintage vacuum tubes, transformers, capacitors and components, audio and Hi-Fi lore, early vacuum tube technology, pro-audio and theater equipment history, musical instrument amplification technology and classic loudspeakers. Editorial content, photographs, diagrams and printing quality are top-notch. Vacuum Tube Valley is a superb reference publication for people who love tube audio. 
We at AudioRoundTable.com are very pleased to be affiliated with Vacuum Tube Valley.