[4PCS 5881]

[1 pair 5881]

[1 pc 5881]

All new replicas comply with the original requirements of demonstrating the characteristics of old tubes.
In addition to vacuum processing and inner metal materials, the material and thickness of the glass bottle body and even the ratio of the solder pins, according to the unique tube technology manual.
New century factory management and rigorous testing ensure the replica is reliable and perfect. The packaging is finished as the printed finish and texture is very good.
Sound quality is a concern for audio fans.
After confirming the electrical properties and durability of the original factory, the original strength and sound thickness are not absolutely bad compared to the old pipe, the new pipe is very extended high frequency than the old pipe and full of air.
About Matching:
All of our tubes are matched in factory workshops. Match is accurate (not all tubes are matched).
It has the requirements and benefits of multiple tubes (4, 8, and 10) to meet your needs. Parameters are the same)
Purchase 2, Buy 4, Buy 8 = Exact Match (matching pair). No parameter drift