I never had this problem with a MX121 and a C2300. Volume was about the same whether listening to 2-channel or movies. Sorry, I know that doesn't help much, but cranking the preamp to 90 seems a little strange. I'd blow the roof off my house if the MX121 was set that high when watching movies.
I'd be concerned that a family member wouldn't turn down the volume when switching over to 2-channel music.
What happens if you remove the C2600? I.e. front left/right from the MX122 go directly to the amp?
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Turntable: VPI Prime Signature Cart: Benz Micro LP-S DAC: Lampizator Golden Atlantic Preamp: Mac C500T, Mac MX121 Amps: Mac MC75 * 2 60th Anniv., Mac MC205 Speakers: Dynaudio C1 Platinum, B&W 804S, Totems Headphone amp: Glenn 300B Headphones: LCD-4
Last edited by leftside; 01-16-2018 at 01:49 PM.
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