Nature Sound series is the newly designed products made by Shuguang Corporation in 2012. They are improved on the basis of Treasure series with the purporse of beautify the appearance and sound quality of the former tubes. The hi-end products will give you a refreshing feeling .  A pair of 6CA7-T tubes are packed in its original box (if buy one does not package in original box). They have shining gold pins and excellent sound quality, which is considered the top tubes in China.

version A Tube: Shuguang 2A3B*2，Shuguang 211*2，Shuguang 6SN7GT*2 version B Tube: Shuguang  Treasure 2A3-Z*2，Shuguang 211-TA*2，Shuguang Treasure CV181-Z*2 version C Tube: Shuguang Screen 2A3B*2，Shuguang 211*2，Shuguang Voice Nature CV181-T*2 Specification: Model: SG-211-1 Color: Sliver & Black Product Type: Single-ended class A tube amp Rated Power (W): 15W +15 W (Max 17W ) Frequency range (Hz) :20-25kHz Noise voltage is less than: 1mV SNR (dB): 88dB Input...

All items guaranteed 100% BRAND NEW in the original edition Box. ONE-YEAR WARRANTY !!! Direction： Tianlaizhiyin tubes Shuguang Group factory celebrate the 50th anniversary of 2008 after the launch of Treasures series, another great masterpiece! This series is the dawn of the R & D team in the version on the basis of the the existing treasures Imperial possession, absorbing domestic and foreign the various gall advantage of, which lasted three years constantly upgrading temper made??. The...

Shuguang WE6SN7 PLUS Hi-end Vacuum Tube  Electronic value Matched Quand(4 pieces) 100% original factory and one year warrantly the price is for one matched Quand(4 pieces) if you need more,we can provide with matched this is the new tube of shuguang factory, by now the shuguang factory have produce new tubes Four years have passed, and the high-end WE6SN7  PLUS of Dawn has finally returned. It's really not easy. The Hong Kong magazine New Audio gave it the following evaluation:...

Shuguang WEKT88 PLUS Hi-end Vacuum Tube  Electronic value Matched Pair Brand New Replace KT88 100% original factory and 15 month warrantly the price is for one matched pair if you need more,we can provide with matched quand. this is the new tube of shuguang factory, by now the shuguang factory have produce new tubes Four years have passed, and the high-end WE KT88 PLUS of Dawn has finally returned. It's really not easy. The Hong Kong magazine New Audio gave it the following evaluation:...

Nature Sound series is the newly designed  products  made by Shuguang Corporation in 2012. They are improved on the basis of Treasure series with the purporse of beautify the appearance and sound quality of the former tubes.  The hi-end products will give  you a refreshing feeling . This is the price for two tubes matched pair with the same current data.They have shining gold pins and excellent sound quality ,which is considered...

Direction：  Tianlaizhiyin tubes Shuguang Group factory celebrate the 50th anniversary of 2008 after the launch of Treasures series, another great masterpiece!  This series is the dawn of the R & D team in the version on the basis of the the existing treasures Imperial possession, absorbing domestic and foreign the various gall advantage of, which lasted three years constantly upgrading temper made??.  The product is very particular about the use of materials, including...

Shuguang Treasure 300B-Z is Directly heated cathode power transistor for Class A1 amplification  Using "High Polymer Compound Carbon (HPCC)" technology;  Using "Super Alloy " technology;  Improve the vacuum extraction technology, effectively improve the vacuum;  Gold gate, gold-plated pin, white porcelain seat;  Using new materials and processes