Shuguang Nature Sound 12AX7-T vacuum tube Matched Pair gift Box

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 imports Du tungsten wire, high purity high density vacuum smelting graphite, West German high-density spring carbon plate, the platinum gate, the purity of 99.99% gold pin tube needles, high transparent lead-free glass, the best significantly the luxury of air! 

12AX7-T characteristics 
The Sound Of Nature Series pin and header all really gold (24K) plated stand the the Salt experimental test, ten years does not fade do not fade, good electrical conductivity. 

Remain completely over the sound of the original tube Features 
Precision pairing, no parameter drift