Ah, that makes sense. Thanks Bruce

Did not realise a v4 could run with V8 firmware. Fascinating.

Certainly means you have to be a knowledgeable and discerning buyer with these types of things !

800v4, 861v8, HD621, PS3 slim, analogue speakers, Anthem P2 Amplifier (2 Channel), Proceed BPA-3 Amplifier (3 Channel), 2x HSU VTF-15 Mk2 subs, 2x HSU VTF-3 Mk5 subs, 2x PSA XS30 subs.