Dear Wayne,I will be more than happy to keep you all informed. Its certainly a very exciting design with a potential to suit all sorts of listening tastes.
Earle builds them as a integrated 2 input unit. I really prefer the look of 2 mono amps.The tweaker is usually supplied with a multimeter so that the user can set bias. I would like to build the voltmeter into the chassis.
Probably using the RS 1V meter. Please see the link