Your answer begins and ends with Digital Amplifier Company.
https://www.cherryamp.com/
His design is fully proprietary, & refined forever. It's not Ncore, it's not Ice, or B&O or whatever.
He only sells direct, which is why you don't hear much about them apparently. I myself own the 'classic cherry.' Bought earlier in '18. Best amp I've ever owned and I've owned a bunch.
https://www.cherryamp.com/
His design is fully proprietary, & refined forever. It's not Ncore, it's not Ice, or B&O or whatever.
He only sells direct, which is why you don't hear much about them apparently. I myself own the 'classic cherry.' Bought earlier in '18. Best amp I've ever owned and I've owned a bunch.