Watford Valves is a U.K company that was established in the early 1990s’ and has become one of Europe’s leading suppliers of tested, graded and guaranteed valves and components to the professional music and audio industry.

Watford valves through its unique valve test equipment offer the most comprehensive and thorough valve test facilities on valves available today. Watford valves are the only company to offer full drive tested signal valves and burst tested output valves under the Harma valve range.