These are beautiful sounding premium 2A3. The patented mesh plate aglow in dark is beautiful to look at. Tube pins are gold plated for good connection with tube sockets. TJ 2A3 is compatible with standard 2A3 tube. These 2A3 tubes are made by TJ Fullmusic, and then tested in Hong Kong by DIY Hifi Supply with their own tube tester. Tubes are tested by curve tracer to reveal full characteristics of each individual tube for better QC and more accurate matching. Warranty is 12 months from the date of delivery. Defective tubes must be returned to DIY Hifi Supply in Hong Kong for warranty replacement.
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3 days ago
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