Reference amp in the 70's, the A 402 is a true dual mono power of at least 40 watts per canal.Racheté in 2000 an individual, I decided to redo its filtering power to restore it all Listening punch.A its sound is very detailed, the treble is crystal clear, the bass is percutantes.Attention however not to overlook the connections because it does not forgive rien.Vendu at the time to around 10,000 in the price fr accessible.A opportunity is anyone who wants to find the real good of his 70 80 years, do not hesitate it is a device that is really worth