Airtight delivers high quality tube amplifiers in all ranges for over 30 years. Airtight is one of the most open and spacious amplifiers we ever heard. The philosophy is crystallised, through an exhaustive research and development, in the AIR-TIGHT branded audio gear featuring refined cosmetics, strictly select components, PCB-free point-to-point meticulous and hand-wiring. The ultimate award is the infinite musicality that extends far beyond mere specifications, approaching the sublimate soundstage presentation, in full depth and width, of live performance. The hand built equipment uses the finest transformers from Tamura, which is a joy for everybody who is into a live musical experience,