The Ear review in 2017 was of a much earlier model which had an input fuse and separate fuses (6) on each output. The filtering on this model was also steeper per stage resulting in the 8Amps power route to each socket. Current model has no fuses, these being replaced by a single thermomagnetic breaker with solid silver contacts. The filtering was reduced and current path to each output increased from 8 to 15 Amps