Fullmusic Premium 845SL Vacuum Tube Valve Replace 845/CNE 845/Q Upgrade Edition

The new innovative upgrade version of the Tianjin Quanzhen electronic tube SL series pioneering work: 845SL (to achieve 845 with a unique sound of 300B)

Note: The upgraded SL series is designed to ensure increased service life and stability. The filament is not lit!

The original factory is precisely matched, the original factory warranty for one year,

One year warranty!! (There is any quality problem in a year to replace the new tube)

The price is one price, the original factory precision pairing!

The SL series is an upgraded version of the Q series and CNE Tianwang series. The response of the Q series and CNE Tianwang series has been detached. As an upgraded version of the SL series, it will naturally strive for excellence and satisfy your higher pursuit of listening.

845SL, using its own unique materials, special metal screen coating, screen lightweight design, making this product's medium and high frequency more transparent, low frequency dive deeper, 3 frequency performance, balance, almost There are no short boards.

In general, the SL series focuses on Mr. Liu's unique understanding of tube design, material application, and manufacturing process for decades. He does not abandon the tradition of tube technology, design concepts and materials, but he is not blindly obedient. It is not an exaggeration to say that this 845 can be 845 of Ximei Xidian, welcome to compare and comment.

SL series features:

Currently available varieties are 845SL, 805SL, 211SL; other models are under development.

The anode substrate is made of a special metal material of 0.2-0.3mm (the inherent resonant frequency is slightly higher), which ensures the sound of the middle and high frequency bands is full and full, and takes into account the sound requirements of the high, medium and low frequency bands.

The alternating source signal of the gate does not induce excess electrical signals inside the anode, which physically reduces noise.

The special coating on the surface of the anode can continue to increase the vacuum inside the tube during use, reduce the probability of collision of electrons with residual gas, and achieve the purpose of reducing noise again.

The increase in vacuum in the tube during use also extends the life of the tube.

The special coating on the surface of the anode can increase the heat radiation capability of the anode and enhance the resistance of the anode to overcurrent. Curve of vacuum in the tube during life