David Abramson of StereoTimes writes:
"...there’s a certain potency in the Aurorasound HFSA-01’s austere, retro appearance that just says "Amplifier: hold the frills." It quickly adds, "But I’m also adorable. Please take me home." And so, at the end of my review period, I did! When paired with sufficiently efficient speakers, it is illuminating, vibrant, detailed, and surprisingly dynamic, all wrapped up in just a hint of EL84 tube warmth. Bespoke Japanese transformers lend it among the jettest of jet-black backgrounds, and there is nary any electrical self-noise to speak of. If you can get away with (a feisty) 14 watts and think remote controls are for televisions and massage chairs, the Aurorasound HFSA-01 will thrill you with its operational simplicity, retro good looks, and sonic purity. A 30-day trial period and a selection of optional Synergistic Research fuse upgrades clinch the deal..."
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