I use one of the older Power Inspired regen units as my mains is over 240v - the regen kicks out a rock steady 230v. They sometimes come up second-hand.

I run both my P3 and P10 regenerators at 230V output so that Chinese equipment won't suffer. It improves the regulation, anyway.

I’ve replaced mine once as a precaution so they didn’t let me down or leak as they can be corrosive. I might do them again soon. There are 3 batteries in it and they only cost about €12 each. Fitting them wasn’t too difficult.

I buy them in an Electrical wholesaler, so if you know any locally to where you live, try them.

www.amazon.co.uk/Yuasa-NP7-12-S65-12V-Rechargeable-Battery/dp/B000V3QT42/ref=asc_df_B000V3QT42/?tag=googshopuk-21&linkCode=df0&hvadid=225919945094&hvpos=&hvnetw=g&hvrand=16246560670097563156&hvpone=&hvptwo=&hvqmt=&hvdev=m&hvdvcmdl=&hvlocint=&hvlocphy=9047193&hvtargid=pla-525510656565&psc=1&mcid=46c6e09694be334ba8b2a90ad0b3e0f3

It seems you can get a 9Ah version that is the same physical size, so I might look into that.

I can’t remember exactly what I had to do to swap them out, but as far as I remember you just remove the cover and then you’ve to loosen several nuts and bolts that hold the batteries in place and then the connections are just push on. It was a bit fiddly as it’s quite tight for space.

I just bought a Yuasa battery for my car. Best batteries made.

It's an R2R DAC.

Yes R2R in the Rockna territory according to reviews but not at the Rockna price point

Looks like a really nice Dac. Will you be modifying it Tony?

They will help to a certain amount, certainly better than a open board. Aluminium will sheild fine, so it's a bonus. The only place where is won't do much is the torriod transformer,due to close proximity.

lt good to see something interesting, and this could even give the likes of Gustard ,Topping and SMSL a nudge on improving things, instead of the latest chipset.