Columnist/Reviewer at Headphone.Guru
- May 26, 2009
Not sure if it was mentioned, but Coolfungadget is now selling an OPA627 on an adaptor for cheap:
Also the Class A mod:
I think it is very honorable for him to mention that it is an easy DIY project and to provide links to the guides, while also selling it at a modest price for those who prefer to go that route.
so that 627 would just pop into the socket with no soldering or modding.