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Old 02-18-2023, 01:02 PM
hippohippo hippohippo is offline
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Join Date: Feb 2023
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Posting for the first time even though I've been on this forum for years. It looks like we have similar HT equipment (I also have an Oppo 203, Krell s1200u 3D, a Krell amp and B&W speakers) so I decided to register as a user to answer your question.
As far as I know, the latest firmware version for s1200 u 3D is 2.1. That is the one that was released in 2019 and is (or should be) compatible with the 4K switcher. I was able to do that upgrade in Europe at the local Krell dealer/service but I don't think they are involved with Krell any more so that option is out. What you could try is contact Audio Reference GmbH in Germany and ask Mr. Mamaghani (a very knowledgeable and helpful guy) if he can do it. I am nearly certain he can since he is an authorized Krell dealer/service.
I hope that helps. Good luck!
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