New KEF KC62 Not Responding?

Which output mode are you using on the Ragnarok 2? The pre-outs are active in headphone+speaker and headphone-only modes. Pre-outs are not active in speaker-only mode (in other words, you need to select a mode that includes headphones). It is in the owners manual. I and many others think this is very strange.

See Jason Stoddard’s comments:
https://www.head-fi.org/threads/schiit-happened-the-story-of-the-worlds-most-improbable-start-up.701900/post-15019440

You need a Y cable to combine the L/R from your amp into a single mono into the sub. 

Wouldn’t that also work backwards to make the left and right become mono?

Looks like mspot is on to something.

Who'd have thought to make sure speakers AND headphone output should be selected. 

OP, have you checked this out?

BINGO! That was the issue, thanks mspot. Also received email from Schiit pointing this out. Much thanks to all, I am grateful for taking the time to help.

David

@dprendergast      Pleased to hear you got it going.  The connections on your amp are very unusual and far from intuitive.

As you may have read, I am shortlisting two or three KC62s in my system.  Opinions seem to be divided.  Some say the new tech is a breakthrough that enables small subs to perform like larger ones.  Others say a small sub can never produce strong deep bass.  Most reviews are very positive, at the 9/10 level.

It will be really helpful if you will report your findings after you have run them in and listened for a while.