The full-function preamplifier has become something of a rarity, especially in the high-end, but Soulution’s 520 preamplifier – central to the company’s more ‘attainably priced’ range – sports an exceptionally capable moving coil phono stage in its single chassis. While this isn’t a preamp that bristles with inputs (phono stage aside, it has two balanced, and two single-ended inputs) and doesn’t sport anything close to a DAC, the minimalist 520 is still remarkably flexible by today’s standards.

Like the more upscale 725 line-stage, Soulution designed the 520 preamp to be an extremely wide bandwidth design – it’s only 3dB down at 1MHz – and places great emphasis on ultra-fast response times as a result. While we are not a measurement led magazine in any respect, a product claimed to sport a frequency response ruler flat to 200kHz, with less than -120dB of cross-talk and distortion so low, the analyser’s self-noise is more significant, deserves to be taken seriously.
…
Read full post here:
http://www.hifiplus.com/articles/soulution-520-preamplifier/?page=1