2026 NEW Shuguang Tube 12AT7-TA(ECC81)Amplifier HIFI Audio Vacuum Tubes

2026 NEW Shuguang Tube 12AT7-TA(ECC81)Amplifier HIFI Audio Vacuum Tubes

the price is for one piece

This product features a large electronic glass enclosure, whose inner surface is coated with single-crystal carbon; this coating enables fast electron transmission, rapid heat dissipation, and clear sound transmission. It helps to absorb the temperature inside the tube quickly and dissipate it outside, while also preventing external noise signals from affecting the sound quality. To achieve a high-density cathode emission current, pure thorium-tungsten material imported from Germany is used. Compared to other similar tubes, the cathode’s emission area is increased by over 10%, ensuring sufficient performance even when dealing with strong signals. The grid is covered with pure gold, which prevents thermal radiation from the grid, thereby extending the product’s lifespan and reducing noise. The bottom of the tube has been designed in an aesthetic manner, with the tube pins plated to improve electrical conductivity, reduce signal loss, and enhance power output. It is worth noting that this product features a high voltage tolerance design, so arcing during use is completely avoided. The sound is delicate and refined at high frequencies, full and rich at medium frequencies, and powerful at low frequencies. The entire tube ensures clear sound reproduction, allowing for an accurate depiction of music. The sound is clean, and the sound field is wide. (Since the tubes are hand-made, uneven carbon coating may occur, which is normal; customers who are concerned about this should refrain from purchasing them. Thank you.) The new versions of SG12AX7-TA and SG12AU7-TA are now available! When you purchase a pair, you will receive two radiators, two shock-absorbing rings, a special gift box, a specification card, and an instruction manual. If you purchase only one tube, it will come in a standard blue box, without any accessories such as radiators, shock-absorbing rings, a specification card, or an instruction manual. Please be aware of this. Thank you!