Leben Hi-Fi Stereo Company is a Japanese manufacturer of tube amplification. The designer and owner of Leben is Mr. Taku Hyodo who is ranked as one of the best eight tube audio design engineers in Japan.  Mr. Hyodo is highly experienced Hi-Fi engineer having worked for Luxman in the past, and is also a good player of guitar and some different musical instruments (In fact, he once was a professional guitarist).  He is also a collector of premium tubes such as 3CSS, 12AT7, E288CC, 6L6GC (5881), all of which are (will be) used in Leben amplifiers at their best  capabilities based on Leben's technology.

To learn more please visit their site here