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RM-U305 vs RM-U305A vs RM-U305C - is there a difference?
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Post 1 made on Saturday May 1, 2021 at 10:10
Junior Member
May 2021

I have a Sony STR-DE685 receiver/amplifier whose remote I have lost. Looking at the online manual for this receiver it mentions that the correct remote is the RM-U305C.

On eBay unfortunately I was outbid on a RM-U305C and being an old remote it doesn't appear that these are easily available.

I note however that there are variants RM-U305 and RM-U305A which are available. Looking carefully at the pictures of each of these variants I can see no difference whatsoever in the layouts.

So my question in essence is, are the variants interchangeable, would a RM-U305 work in place of a device whose manual says the correct remote is RM-U305C. If there is no difference in the layout of the buttons, what is the difference? Would the signal codes differ rendering the signals incompatible?

A clarification would be much appreciated as I cannot find the answer..

Thank you

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