Valve types explained
If you talk to any guitarist you will undoubtably hear the world ‘valve’ or ‘tube’ thrown around. The sound of a valve amp cranked nice and loud is synonymous with rock and guitar heritage. Valve technology was predominately found in televisions and radios from the mid to the late 20th Century, transistor technology advanced and took its place. That being said, guitar amplifiers remained married to valves due to the unique feel and tone they produce.