Thanks for all the responses. Long day at work so apologies for the delayed response. I’ll try and answer all your points in turn.
@HappyListener yes I am aware that the red terminals aren’t where one might expect on other manufacturers kit. Having had no problem pre-Christmas and traced back three times now I’m happy they’re not out of phase. Also tried mono recordings of Dylan and The Beatles and the only untoward thing going on was lack of bass. No image issues or anything. The cables do turn as they enter the plastic Naim plug casing but they’re visibly correct.
Also, as said previously, no major issue with the TV sound through the system.
You sound like you’ve been unlucky with ICs. I’ve had a broken Hi-Line repaired by a Naim. The only symptoms were that it looked wrong and the bass had died. Similarly, Mark Raggett kindly donated the Burndy I’m currently using after it become obvious that his simply sounded better. No symptoms at all until he tried an A/B comparison.
@Yeti Zu Soul Superfly. Love them to bits. Just a shame I couldn’t stretch to Druids which play beautifully quietly as well as loud. However, that gap took an age to get right and it hasn’t been adjusted in 7 or so years. I do the hoovering is no-one gets to mess with or move the speakers
As per the above I’ve already tried the mono angle and there were no odd artefacts or hollow image etc. You are right by the way. The 202 remote can adjust the balance. My last trauma with this system was wondering why one speaker had died only to eventually discover the (then) 11 year old had faffed with the remote and flown the balance to one side. At 13 he has QB and I’m not regretting it.
@Richard.Dane which connectors are you referring to?
I chatted to my dealer about rebuilding last week (and the lack of bass) and he suggested it as an opportunity to clean every connection with multiple plugging/unplugging. All done and nothing obviously untoward albeit I noticed a bit of wear around the back of either the CDX2 or 202 on the Burndy socket itself. Where the black pin goes in rather than the gold. Can’t think which device now but it struck me as natural rather than anything untoward. Nothing anywhere else though.
@WhatshisNaim I noticed that the two Snaics coming out of the HC 2 DR were coming inside the Burndy quite high up and actually were touching. Powered down and moved them to the outside and no longer touching. It’s nowhere near as tidy as others manage and I may be hallucinating but it does seem to have wrought a marginal improvement. However, whole family have listened in tests with Golden Hour by Kacey Musgraves, Live At The Counter Eurovision by Misty In Roots and The Mix by Kraftwerk. No bass is the unanimous verdict.
I also pulled the CDX2 forward to the very edge of the Hutter to a position which guaranteed the Burndy and Hi-Line weren’t touching anything. No difference.
The Hi-Line just about touches the carpet. The only way to avoid this would be to use the longer Hutter separators or another shelf layer. Again though, it wasn’t a problem pre-Christmas so I don’t get why now.
So, going to live with whilst I watch some TV and see where we are tomorrow.