Absolute must for all those who are looking for a good and above all AFFORDABLE second or third amplifier! The SV-50 is reduced in accordance with the principle of the company Mohr, on's essentials. Quote: "The amplifier was constructed by Mohr HiFi in Germany and is made in China is concentrated on the essentials and leaves everything unnecessary off, used in contrast to the competing but better components.". The SV-50 is solidly constructed and should - as measured by the price - looking for his peers. Am completely satisfied!