As direct competition to Shuguang generic clear glass tubes, this new Psvane HiFi series is developed and manufactured by Psvane Audio in China. Psvane Audio is formed by the original R&D team of high end Shuguang Treasure tubes after they left Shuguang in 2011.

High performance-to-price ratio. These tubes will give you a solid back up for your current stock tubes in your amplifier, at a very affordable price range. Plus they offer warmer sound than many Russian tubes. Click here to view detail.