Audiophilepure

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“The A90 is a fairly simple analogue instrument and requires very little learning to live with – it’s fairly straightforward and intuitive to use. I did scratch my head once or twice wondering why no sound was coming out when I forgot to select the correct ‘RCA’ or ‘XLR’ line-level input, but that’s about it. It’s more of a headphone amplifier with preamp functionality than vice versa – if it were a more comprehensive preamp than perhaps a remote might have been included with perhaps one more input, but hey – you can’t have everything for $499. The volume pot, aside from my earlier comments, has an easily visible white level indicator which is helpful and also important considering that the A90 can put out a scary amount of power into a pair of headphones, or IEMs for that matter. ”