When people mention reliability they need to realise that no product is likely to have a perfect record.
A recent discussion on another NG [aus hi fi] gave figures for Marantz amplifiers from the 1970s.Even the most reliable still had 0.5% failure rates.Other models had 63% and 100%!And this was from an era of Japanese production famous for its quality control.
What we need to remember is that hard wired amplifiers have an excellent reputation for reliability compared to those using printed circuit boards-and even if a component or a solder joint fails it is a relatively cheap and easy thing to repair.
A recent discussion on another NG [aus hi fi] gave figures for Marantz amplifiers from the 1970s.Even the most reliable still had 0.5% failure rates.Other models had 63% and 100%!And this was from an era of Japanese production famous for its quality control.
What we need to remember is that hard wired amplifiers have an excellent reputation for reliability compared to those using printed circuit boards-and even if a component or a solder joint fails it is a relatively cheap and easy thing to repair.