The now out of production Dreadnaught I was essentially designed by Charles Hansen of Ayre. Theta then took the basic modules used in that design and went all out to create the Citadel monos. Later, Theta took the Dreadnaught I and tweaked it to make it less musical but more powerful on the low end thereby creating the Dreadnaught II, most likely in an attempt to better appeal to the HT crowd it is primarily aimed at.
Don't forget that Ayre makes its own multi-channel amplifier in the V-6xe:
http://www.ayre.com/products_detail.cfm?productid=9
Don't forget that Ayre makes its own multi-channel amplifier in the V-6xe:
http://www.ayre.com/products_detail.cfm?productid=9