Each pair of stacked panels had its own 300B based biamp setup with a line level crossover and step up output transformers.
The front end was analog only sporting a couple of 301's in maple and dymondwood plinths.
The cartridge was the next revision of the field coil built from the ground up seen here spinning on a test pressing of an upcoming ERC release of The Folk Blues of John Lee Hooker.
More of the ERC collection was also available to play.
Rather than go on about how awesome the sound was, we will leave it in the capable hands of Art Dudley and Michael Lovorgna
we will add more links as they come in.