Greg Simmons of The StereoTimes wrote:
"...on most records played through the SP-03H acoustic basses are deep and woody; massed strings are extended and never strident; and the midrange is as natural, liquid and fully realized as I’ve heard in my system. Truly, this diminutive little box is an impressive sounding piece of gear...the Aurorasound SP-03H moving coil step up transformer has been a truly profound improvement in my analog chain, one that I’m enjoying immensely..."
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