Hardware-Test has put up a review on the AOpen AX4B-533 Tube Mainboard

This is probably the most interesting about this mainboard; the vacuum tube. The tube is a 100-year-old invention, which in recent times has been replaced with transistors. There are still HI-FI fans of this technology. They swear that you get a fuller and warmer sound. This hasn’t been proven and transistor fans say that the transistor is superior. This, also, hasn’t been proven. Never the less there are a few tube fans at AOpen that decided to make a mainboard with the tube technology.

AOpen has really made a special mainboard that isn’t made for everyone. Instead it is for those people that want an extra dimension for their PC. Sound-fanatics can finally get detailed sound out from their PC. Unfortunately the board comes at a very high price, which could hold some back from making this their next investment for the computer. But the sound is without a doubt the best I have ever heard from a PC.

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