£400.00 is way too much money for a CD6. I bought mine for £200.00 and later re-sold it for £250.00 For £400.00, you can easily get a CD8.
Alternatively, you may want to consider a nice used Exposure 2010s CD for £400.00 or a MF A3.5?
Primare CD31
Primare I30
Neat Acoustics Motive 1
Wireworld Polaris 5
Wireworld Solstice 5²
Wireworld Stratus 5²
Atacama Equinox
Russ Andrews Mains Block
''Be respectful and courteous, but never insulting or condescending''