With the HE 1 Instead of being hand made and the materials obtained as an order comes in, you have to wonder how much the $50k would be reduced by on a mass assembly line.
I think also that if the gimmicky things like motorised valve lift / control knobs and lid lift were removed together with other changes we could see a massive reduction in price with very little , if any loss of the original quality of sound. Lets face it, as an audiophile looks come second place to sound quality.
Come on Sennheiser, so many more people could afford this and here's the bonus, you would sell so many many more