Did you press the little button next to the update port? That will wipe the USB Amanero firmware which could explain why the device is no longer recognised.

Apologies for the delayed response. Yes, 2 data and 1 ground is correct

Yep, I made my own USB cable with no 5V line and it works fine.

The AVPlay I2S cables are excellent value for money and have been well reviewed by many people on head-fi See - https://www.aliexpress.com/item/4000255873784.html - and pick "HDMI IIS audio"

Thanks for that. It's not a big spend so I will give it a go

Thanks for the quick reply! What did you find the benefit to be with the basalt sleeves?

That‘s interesting about the basalt sleeves. Is this an alternative to carbon sleeves for RF suppression? I make a lot of my own cables so I’m always interested to learn. Could you please share a link to where you got the sleeves? Thank you

Unfortunately, it's not that easy. Each foot is held by 2 x M3 screws from the inside of the unit. You need to remove the PCBs to get to the screws, so it's a big job.

That's a great idea @Jake2 with the damping sheets. Looks like I have another mod to try! I have some spare dynamat type sheeting left over from when I did my car doors, so I will be giving that a go for sure.

Thanks @DACLadder for checking on the fuse. I'm going to try my spare 3A Gustard fuse over the weekend to listen for a change. The "problem" with tweaking the clock is that it seems to take about a day to stabilise before I can assess the benefit of any changes. It could be less than that, by...

From what I see on line the fuse for the Gustard U18 is 500mA but the one in the OCK-1 is 1A. EDIT - I just tried a 500mA fuse I had spare and the OCK-1 powered up fine without blowing the fuse.

I haven't tried a fuse swap yet so thanks for reminding me! The one in the OCK1 has gold caps so on that purely aesthetic basis might be better than the average cheap one. I have a spare Gustard fuse I'll give a go over the weekend.

There has been some banter on this thread about the OCK-1 & OCK-2 clocks. For those of you who like to (read as, I can't stop myself) modify their gear, I've just posted some mods I made on my OCK-1 on the Master clock thread, here -...

For the tweakers amongst you all, I've made a few mods to my OCK-1 that have all been worthwhile - #1 - Changed the feet to improve mechanical isolation. I used Audio Serenity ISO-9H and have use these before with good results. Link - Audio Serenity ISO-9h #2 - Fabricated an aluminum RF...

An ACSS connection is a clear improvement over XLR and highly recommended. I have made my own cables and my current favourite is using high purity silver, single strand, individually shielded cable that I braid and then put in a cotton sleeve. Before that I was very happy with a Belden 8402...