FYI, Hagtech's Piccolo is his own make and although I haven't tried it I would guess it is his usual excellent value, sold direct only. In his own words, he prefers step up transformers to active stages despite his own product. Raul here is adamant about the evils of SUTs. different strokes.
BTW, I forgot to mention above that there are at least two standards for measuring output of cartridges that can confuse your calculations by about 30%. The operative is voltage@5cm/sec or 3.54cm/sec.