If you pull the trigger today, you'll get an excellent amp soon. I wouldn't worry about future models to come in 2021 or 2022. An E-650 will still be an excellent amp in two, five or ten years.
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Accuphase PS-1220, C-3900, 2 x A-75 (bridge mode), DP-750, T-1200, C-47, B&W 802 D4, Linn LP 12 Klimax, Kimber
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