x RELIC x
Headphoneus Supremus
i think the beryllium needs a lot of hours to open up
Likely not the Beryllium, but the surround. The Beryllium dome is extremely rigid and if it ‘opens up’ or otherwise implied as flexing I would be concerned with the overall performance of the driver. The whole reason to use a potentially toxic and difficult to manufacture pure Beryllium driver is the rigidity of the dome.