The primaluna amp sounded amazing with the 1038 but on the sopra the bass wasn't nearly as good as the Levinson.
The sopra impedance goes pretty low and the primaluna amps have a high output impedance. It has no problem driving the sopra but did not sound as good as the big solid state
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Sony XBR75X940D, Focal Sopra 3 Focal Sopra Center Two Paradigm Sub 1s Focal Aria 906 for rear speakers Paradigm Millenia LPv2 surrounds Focal Chorus ic706v for in ceiling Atmos Marantz AV8802A Mark Levinson 532H, Mark Levinson 533H Emotiva amp for atmos PS Audio Directstream DAC PrimaLuna Dialogue HP power amp, Oppo UDP203 GIK Acoustics room treatment