Froggy1976 Posted November 4, 2018 Share Posted November 4, 2018 Hi guys, i have a nad m51 preamp that accepts hdmi but now it won t work or recognised 1080p signal. I have to lower the resolution to 480 or 576 for it to work. i will try to upgrade the firmware to see if this fixes it otherwise I will get a hdmi switcher. can anybody recommend a switch that is able to work or be programmed with c4 as to changes input when required. Link to comment Share on other sites More sharing options...
Home Theater Advisors Posted November 4, 2018 Share Posted November 4, 2018 We use the Key Digital S4x1. Works flawlessly. You’ll have to create the IR driver but it is only 6 buttons -on, off, input 1, 2, 3, 4. Does 4K 604:4:4 whichSent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
Froggy1976 Posted November 4, 2018 Author Share Posted November 4, 2018 Thanks mate, i will look it up. m really annoyed that my preamp starting to play up with the HDMI as it s a super audio device otherwise. Link to comment Share on other sites More sharing options...
RAV Posted November 5, 2018 Share Posted November 5, 2018 If your preamp is only HDMI 1.4, you should take a look at this switch: http://www.transformativeengineering.com/project/hds-42avr/ It has dual outputs, HDMI 2.0 to the TV and 1.4 to the preamp for audio. Link to comment Share on other sites More sharing options...
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