To be honest, with me it is not about the weight or dimensions, but I am feeling a little troubled just reading the words 'switching power supply'. In my personal experience such technology has very little in common with an audiophile listening experience. For example, I had quite a bid of noise on the power grid despite running a dedicated power cord. It turned out that 50% of this came from the DAC's switching power supply. I replaced it with a 100 VA linear power supply and guess what... Switching power supplies might be good for shipping costs and for the energy bill, but they tend to mess up the sound.
Sorry but this is quite wrong. Smps are not a problem at all in audio electronics. The top performing amps tested by Amir on this forum use smps. If you had audible problems then it was almost certainly a ground loop. The fatal flaw of single ended RCA interconnections.
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