Has anyone compared, Gryphon Diablo, Gamut Di150, Vitus SS101, Krell FBI, APL UA-S1 Jeff Rowland Continuum 500? Please add what you found to be best integrated.
I believe two of these maybe poweramps with passive preamps at the front, that have input switching, no active preamplifier as such, the Vitus SS101, and APL UA-S1. Many are doing this these days, esspecially among tube integrateds.
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