300B -Vacuum -Tube—Audiophile lmpressive Sound

Concerned about the speakers, a kind of products with high level of humanism, how many types of speakers can actually be called the classic over such long time? Expecially when it comes to the science of replay and the art of sound, there will be much more brilliant comments and things which are worth thinking carefully. However, after having been developed more than half a century , a product –300B which is just used as a conponent of speakers , remains popular. Nowadays 300B is still a dream for a lot of audiophiles who regards it as a unexplained myth.