I have Sopra2’s paired up with a McIntosh MC462, drive them off of the 4ohm tap. No issues at all. I just started to stream from Tidal with a Lumin U1 and a McIntosh C47 preamp. The DAC in the C47 is seldom mentioned but let me tell you that it pairs up nicely with the Lumin. Try it you’ll like it. Would post pix but don’t know how.
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