Having used this for several years now it has proven to be reliable and a very good addition to my music system. In comparison to other amplifiers I have used this stands up moss favourably and in fact is much more detailed than the Marantz PM66E I used. The channel separation is exemplary and the detail excellent. In addition to direct sound tone controls can be switched in if required. A facility for mixing a microphone in is added a simple yet effective addition from Teac who are renowned for their recording equipment and IMO rightly so. This amplifier was made in Japan the quality is apparent when compared to other amplifiers of a similar age and era. I would definitely recommend this amp.