Seems to be an echo here
I have an echo and a question -
Echo - looks like a lot of questions re: on/off/standby. I will summarize, corrections please:
1) On/Off - classical switch, IEC style. Required for safety and common sense, i.e if opening the cover. The switch should disconnect neutral and live (nominally white and black wires) but leave earth ground alone. This is the standard configuration of virtually all IEC switches. Also a good place to add some fuses;many IEC switches incorporate holders for common 5x20 mm fuses. Size fuses according to power supply chosen and wall voltage. For example, the 650 watt SMPS600 supply with 120VAC would require about 5 amps full-blast; use a 10 amp fuse.
2) Amplifier Standby - the nAMPON pin on the NC400 modules. Ground this pin to put amp in stand by mode. Simple to use - no requirements on switch (i.e. voltage rating). Basically a manual operation, best for a front panel switch. See the Ghent Audio case for example.
3) Power supply standby - will put the whole system in standby, lowest power consumption (except full-off of course). This requires an active signal hence a small (1Watt) DC power supply, say 6-10 VDC. and a simple mechanical relay. These are both tiny and cheap. The advantage is that your preamp, if it has trigger function, can control the NC400 module.
Question: I am planning to order everything for a holiday time build when I will have a bit of time.
What is the consensus on the low-voume listening performance of the Hypex design? Many positive comments on the large power performance; can't find much for quiet listening.